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RadDatePicker not preventing the dark mode from applying, even for android the dark theme is restricted from app mainactivity - MAUI.

Hi Telerik,

In MAUI android app I am restricting the dark theme on my app from getting applied, for all the controls except for the RadDatePicker it works fine.

 

NOTE:

The RadDatePicker is not restricting the dark theme from getting applied in MAUI.

Whereas in Xamarin it works fine.

Below is the screen shot how it looks:

Xamarin:

MAUI:

Thanks,

Mohammed Rameez Raza.

DatePicker
Maria
Telerik team
 answered on 04 Aug 2023
1 answer
128 views
Problem in the RadListView control when the collection of items is emptied.

Hello I hope you can help me.
I have a RadListView that gets populated from a collection provided in the ViewModel. Within the template there is a button to delete the selected element and it works fine, but when there is only one element left and I delete it, the application crashes.

The xaml of the list


<telerik:RadListView ItemsSource="{Binding SelectedProducts, Mode=TwoWay}"  SelectionMode="None" >
                        <telerik:RadListView.ItemTemplate>
                            <DataTemplate  x:DataType="modles:ProductExhibitionDTO">
                                <telerik:ListViewTemplateCell>
                                    <telerik:ListViewTemplateCell.View>
                                        <Grid BackgroundColor="#FAFAFA" RowDefinitions="auto, auto, *, auto, auto, auto">
                                            <Grid Grid.Row="0" ColumnDefinitions="auto, *, auto">
                                                <Label Grid.Column="0" Text="{Binding ProductNumber}" Margin="8" FontSize="14" FontFamily="RobotoBold" TextColor="#000" />
                                                <Button Grid.Column="2" HorizontalOptions="End" Margin="8" ImageSource="delete_out_6" HeightRequest="24" WidthRequest="24" Command="{Binding Source={RelativeSource AncestorType={x:Type viewModel:NegotiatedExhibitionViewModel}}, Path=DeleteProductCommand}" CommandParameter="{Binding .}" BackgroundColor="Transparent" />
                                            </Grid>
                                            <Grid Grid.Row="1" RowDefinitions="auto, auto, auto" ColumnDefinitions="auto, 3*, *" >
                                                <Image Grid.Row="0" Grid.RowSpan="3" Grid.Column="0"  Source="{Binding ProductImageURL}" HeightRequest="100" WidthRequest="100" Margin="8"/>
                                                <Label Grid.Row="0" Grid.Column="1" VerticalOptions="Start" Margin="8,4" FontSize="12" TextColor="#000" FontFamily="RobotoRegular" Text="{Binding BrandName}" />
                                                <Label Grid.Row="1" Grid.Column="1" VerticalOptions="Start" HorizontalOptions="Fill" Margin="8,4" FontSize="14" TextColor="#000" FontFamily="RobotoBold" Text="{Binding ProductName}" LineBreakMode="WordWrap" />
                                                <Label Grid.Row="2" Grid.Column="1" VerticalOptions="Start" Margin="8,4" FontSize="14" TextColor="#000" FontFamily="RobotoRegular" Text="{Binding GTIN}" />
                                            </Grid>
                                            <Grid Grid.Row="2" ColumnDefinitions=".5*,.5*" RowDefinitions="auto, auto">
                                                <HorizontalStackLayout Grid.Row="0" Grid.Column="0">
                                                    <Label Grid.Row="0" Grid.Column="0" TextTransform ="Uppercase" Margin="8" Text="Frentes" TextColor="#757575" FontSize="10" FontFamily="RobotoRegular" />
                                                    <Image Source="warning_out" IsVisible="{Binding IsFrontRequired,Mode=TwoWay}" Margin="8" HeightRequest="15" WidthRequest="15"/>
                                                </HorizontalStackLayout>
                                                <HorizontalStackLayout Grid.Row="0" Grid.Column="1">
                                                    <Label Grid.Row="0" Grid.Column="1" TextTransform ="Uppercase" Margin="8" Text="Fondos" TextColor="#757575" FontSize="10" FontFamily="RobotoRegular"/>
                                                    <Image Source="warning_out" IsVisible="{Binding IsFundRequired,Mode=TwoWay}" Margin="8" HeightRequest="15" WidthRequest="15"/>
                                                </HorizontalStackLayout>
                                                <telerik:RadBorder Grid.Row="1" Grid.Column="0" Margin="8,4">
                                                    <telerik:RadEntry  Text="{Binding Front}"  Keyboard="Numeric" BackgroundColor="#FFFFFF" FontSize="14" FontFamily="RobotoRegular" WidthRequest="80" HorizontalOptions="Start" ClearButtonVisibility="Never" FocusedBorderBrush="Transparent" IsReadOnly="{Binding IsReadOnly}" />
                                                </telerik:RadBorder>
                                                <telerik:RadBorder Grid.Row="1" Grid.Column="1"  Margin="8,4" >
                                                    <telerik:RadEntry  Text="{Binding Fund}"  Keyboard="Numeric" BackgroundColor="#FFFFFF"  FontSize="14" FontFamily="RobotoRegular" WidthRequest="80" HorizontalOptions="Start" ClearButtonVisibility="Never" FocusedBorderBrush="Transparent" IsReadOnly="{Binding IsReadOnly}" />
                                                </telerik:RadBorder>
                                            </Grid>
                                        </Grid>
                                    </telerik:ListViewTemplateCell.View>
                                </telerik:ListViewTemplateCell>
                            </DataTemplate>
                        </telerik:RadListView.ItemTemplate>
                    </telerik:RadListView>

 The DeleteItem command in the viewModel,


 [RelayCommand]
        void DeleteProduct(Object obj) //ProductExhibitionDTO productExhibitionDTO
        {
            ProductExhibitionDTO productExhibitionDTO = obj as ProductExhibitionDTO;
            if (productExhibitionDTO != null)
            {
                SelectedProducts.Remove(productExhibitionDTO);
            }
        }

 

And finally, the error:

 

 

 

 

ListView
Didi
Telerik team
 answered on 04 Aug 2023
1 answer
572 views
Can I link/associate a Label to a CheckBox to handle toggling the checkbox?

Can we link/associate a Label to a CheckBox to handle toggling the checkbox?

It would be useful to do this using  MAUI standard label or providing a Text property to show next to the Checkbox?

Am I missing something? If this is not possible, its seems like a good feature?

eg:

CheckBox
Lance | Senior Manager Technical Support
Telerik team
 answered on 03 Aug 2023
1 answer
121 views
Line Series Won't Display

I am trying to do a Line Series chart based on DateTimeAxis. Here is my XAML:

<StackLayout>
                    <telerik:RadCartesianChart
                        VerticalOptions="FillAndExpand">
                        <telerik:RadCartesianChart.HorizontalAxis>
                            <telerik:DateTimeContinuousAxis LabelFitMode="Rotate"
                                                            MajorStepUnit="Month" />
                        </telerik:RadCartesianChart.HorizontalAxis>
                        <telerik:RadCartesianChart.VerticalAxis>
                            <telerik:NumericalAxis
                                Maximum="{Binding StartWeight}"
                                Minimum="{Binding GoalWeight}"/>
                        </telerik:RadCartesianChart.VerticalAxis>
                        <telerik:RadCartesianChart.Series>
                            <telerik:LineSeries ValueBinding="Weight"
                                                CategoryBinding="Date"
                                                ItemsSource="{Binding SeriesData}" />
                        </telerik:RadCartesianChart.Series>
                    </telerik:RadCartesianChart>
                </StackLayout>

Here is where I create the observable collection:

private async Task<ObservableCollection<ProgressSeriesData>> GetCategoricalDataFromDbAsync()
    {
        var entries = await _database.GetItemsAsync(); // Retrieve all entries from database
        ObservableCollection<ProgressSeriesData> data = new();
        var ID = 0;

        foreach (var entry in entries)
        {
            ProgressSeriesData progressSeriesData = new()
            {
                Date = entry.Date,
                Weight = entry.Weight,
                ID = ID
            };
            data.Add(progressSeriesData);
            ID++;
        }

        return data;
    }

and here is what is displayed in the app:

 

I'm not sure why it won't plot the line for me? Here is what the data looks like in the model:

Any and all help is appreciated :)

 

Thanks!

Chart
Lance | Senior Manager Technical Support
Telerik team
 answered on 02 Aug 2023
1 answer
57 views
Setting ScatterLineSeries StrokeThickness causes app crash iOS

 

xaml:

 <telerik:RadCartesianChart Background="Transparent"
                                   x:Name="chart"
                                   Grid.Row="0">

            <telerik:RadCartesianChart.HorizontalAxis>
                <telerik:NumericalAxis x:Name="xAxis" />
            </telerik:RadCartesianChart.HorizontalAxis>

            <telerik:RadCartesianChart.VerticalAxis>
                <telerik:NumericalAxis x:Name="yAxis" />
            </telerik:RadCartesianChart.VerticalAxis>

            <telerik:RadCartesianChart.Series />

            <telerik:RadCartesianChart.Annotations>

                <telerik:CartesianGridLineAnnotation x:Name="marker"
                                                     Axis="{x:Reference xAxis}"
                                                     Value="0"/>

            </telerik:RadCartesianChart.Annotations>

            <telerik:RadCartesianChart.ChartBehaviors>

                <telerik:ChartSelectionBehavior x:Name="selection"
                                                DataPointSelectionMode="Single"
                                                SelectionChanged="ChartSelectionBehavior_SelectionChanged" />
            </telerik:RadCartesianChart.ChartBehaviors>

        </telerik:RadCartesianChart>

C# Code Behind (initialization snippet)..   When setting of the StrokeThickness is skipped on iOS, the app continues to work, otherwise an app crash results.

foreach (Series series in SeriesList)
            {
                var data = new ObservableCollection<SeriesData>();

                ScatterLineSeries lineSeries = new ScatterLineSeries()
                {
                    DisplayName = series.Name,
                    XValueBinding = new PropertyNameDataPointBinding(nameof(SeriesData.XScaled)),
                    YValueBinding = new PropertyNameDataPointBinding(nameof(SeriesData.YScaled)),
                    ItemsSource = data
                };

                if (Series.AllowLineThickness) //set to false for iOS
                {
                    //ios chart series thickness bug
                    lineSeries.StrokeThickness = series.Thickness; //series.Thickness is always 1
                }

                if (Series.AllowLineColor) //set to false for android
                {
                    //android chart legend color bug
                    lineSeries.Stroke = series.Color;
                }

                chart.Series.Add(lineSeries);
                _lineSeries[series] = lineSeries;
                _data[series] = data;
            }

 

resulting NullReferenceException w/ stack trace

 
Object reference not set to an instance of an object.

at Telerik.Maui.Controls.Compatibility.ChartRenderer.iOS.ScatterLineSeriesAdapter`1[[Telerik.Maui.Controls.Compatibility.Chart.ScatterLineSeries, Telerik.Maui.Controls.Compatibility, Version=6.0.0.0, Culture=neutral, PublicKeyToken=5803cfa389c90ce7]].UpdateStrokeThickness(ScatterLineSeries sourceOwner, TKChartSeries targetOwner)
   at Telerik.Maui.Controls.Compatibility.ChartRenderer.iOS.ScatterLineSeriesAdapter`1[[Telerik.Maui.Controls.Compatibility.Chart.ScatterLineSeries, Telerik.Maui.Controls.Compatibility, Version=6.0.0.0, Culture=neutral, PublicKeyToken=5803cfa389c90ce7]].UpdateSeriesProperties(String propertyName, ScatterLineSeries sourceOwner, TKChartSeries targetOwner, RadChartBase sourceChart, TKChart targetChart)
   at Telerik.Maui.Controls.Compatibility.ChartRenderer.iOS.ChartSeriesAdapter`2[[Telerik.Maui.Controls.Compatibility.Chart.ScatterLineSeries, Telerik.Maui.Controls.Compatibility, Version=6.0.0.0, Culture=neutral, PublicKeyToken=5803cfa389c90ce7],[TelerikUI.TKChartSeries, Telerik.iOS, Version=6.0.0.0, Culture=neutral, PublicKeyToken=5803cfa389c90ce7]].UpdateCore(ScatterLineSeries sourceOwner, TKChartSeries targetOwner, String propertyName, IParentElement sourceOwnerRoot, Object targetOwnerRoot)
   at Telerik.Maui.Controls.Compatibility.Chart.ChartElementFacadeAdapter`2[[Telerik.Maui.Controls.Compatibility.Chart.ScatterLineSeries, Telerik.Maui.Controls.Compatibility, Version=6.0.0.0, Culture=neutral, PublicKeyToken=5803cfa389c90ce7],[TelerikUI.TKChartSeries, Telerik.iOS, Version=6.0.0.0, Culture=neutral, PublicKeyToken=5803cfa389c90ce7]].Update(Object sourceOwner, Object targetOwner, String propertyName, Object sourceOwnerRoot, Object targetOwnerRoot)
   at Telerik.Maui.Controls.Compatibility.Common.XamarinToNativeControlExtensions.Update[TKChartSeries,ChartSeries](TKChartSeries nativeElement, ChartSeries xfElement, String propertyName, Object sourceOwnerRoot, Object targetOwnerRoot)
   at Telerik.Maui.Controls.Compatibility.ChartRenderer.iOS.ManagedChartDataSource.CreateSeries(RadChartBase xfChart, TKChart chart)
   at Telerik.Maui.Controls.Compatibility.ChartRenderer.iOS.BaseChartAdapter`1[[Telerik.Maui.Controls.Compatibility.Chart.RadCartesianChart, Telerik.Maui.Controls.Compatibility, Version=6.0.0.0, Culture=neutral, PublicKeyToken=5803cfa389c90ce7]].UpdateCore(RadCartesianChart sourceOwner, TKExtendedChart targetOwner, String propertyName, IParentElement sourceOwnerRoot, Object targetOwnerRoot)
   at Telerik.Maui.Controls.Compatibility.ChartRenderer.iOS.CartesianChartAdapter.UpdateCore(RadCartesianChart sourceOwner, TKExtendedChart targetOwner, String propertyName, IParentElement sourceOwnerRoot, Object targetOwnerRoot)
   at Telerik.Maui.Controls.Compatibility.ChartRenderer.iOS.BaseChartAdapter`1[[Telerik.Maui.Controls.Compatibility.Chart.RadCartesianChart, Telerik.Maui.Controls.Compatibility, Version=6.0.0.0, Culture=neutral, PublicKeyToken=5803cfa389c90ce7]].Update(Object sourceOwner, Object targetOwner, String propertyName, Object sourceOwnerRoot, Object targetOwnerRoot)
   at Telerik.Maui.Controls.Compatibility.Common.XamarinToNativeControlExtensions.Update[TKExtendedChart,RadCartesianChart](TKExtendedChart nativeElement, RadCartesianChart xfElement, String propertyName, Object sourceOwnerRoot, Object targetOwnerRoot)
   at Telerik.Maui.Controls.Compatibility.ChartRenderer.iOS.BaseChartRenderer`1[[Telerik.Maui.Controls.Compatibility.Chart.RadCartesianChart, Telerik.Maui.Controls.Compatibility, Version=6.0.0.0, Culture=neutral, PublicKeyToken=5803cfa389c90ce7]].OnElementAttached(RadCartesianChart newElement)
   at Telerik.Maui.Controls.Compatibility.ChartRenderer.iOS.CartesianChartRenderer.OnElementAttached(RadCartesianChart newElement)
   at Telerik.Maui.Controls.Compatibility.Common.iOS.IosRendererBase`2[[Telerik.Maui.Controls.Compatibility.Chart.RadCartesianChart, Telerik.Maui.Controls.Compatibility, Version=6.0.0.0, Culture=neutral, PublicKeyToken=5803cfa389c90ce7],[Telerik.Maui.Controls.Compatibility.ChartRenderer.iOS.TKExtendedChart, Telerik.Maui.Controls.Compatibility, Version=6.0.0.0, Culture=neutral, PublicKeyToken=5803cfa389c90ce7]].OnElementChanged(ElementChangedEventArgs`1 e)
   at Microsoft.Maui.Controls.Handlers.Compatibility.VisualElementRenderer`1[[Telerik.Maui.Controls.Compatibility.Chart.RadCartesianChart, Telerik.Maui.Controls.Compatibility, Version=6.0.0.0, Culture=neutral, PublicKeyToken=5803cfa389c90ce7]].SetVirtualView(IElement view, IPlatformViewHandler nativeViewHandler, Action`1 onElementChanged, RadCartesianChart& currentVirtualView, IPropertyMapper& _mapper, IPropertyMapper _defaultMapper, Boolean autoPackage)
   at Microsoft.Maui.Controls.Handlers.Compatibility.VisualElementRenderer`1[[Telerik.Maui.Controls.Compatibility.Chart.RadCartesianChart, Telerik.Maui.Controls.Compatibility, Version=6.0.0.0, Culture=neutral, PublicKeyToken=5803cfa389c90ce7]].Microsoft.Maui.IElementHandler.SetVirtualView(IElement view)
   at Microsoft.Maui.Controls.Element.SetHandler(IElementHandler newHandler)
   at Microsoft.Maui.Controls.Element.set_Handler(IElementHandler value)
   at Microsoft.Maui.Controls.VisualElement.Microsoft.Maui.IElement.set_Handler(IElementHandler value)
   at Microsoft.Maui.Platform.ElementExtensions.ToHandler(IElement view, IMauiContext context)
   at Microsoft.Maui.Platform.ElementExtensions.ToPlatform(IElement view, IMauiContext context)
   at Microsoft.Maui.Handlers.LayoutHandler.SetVirtualView(IView view)
   at Microsoft.Maui.Handlers.ViewHandler`2[[Microsoft.Maui.ILayout, Microsoft.Maui, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null],[Microsoft.Maui.Platform.LayoutView, Microsoft.Maui, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null]].SetVirtualView(IElement view)
   at Microsoft.Maui.Controls.Element.SetHandler(IElementHandler newHandler)
   at Microsoft.Maui.Controls.Element.set_Handler(IElementHandler value)
   at Microsoft.Maui.Controls.VisualElement.Microsoft.Maui.IElement.set_Handler(IElementHandler value)
   at Microsoft.Maui.Platform.ElementExtensions.ToHandler(IElement view, IMauiContext context)
   at Microsoft.Maui.Platform.ElementExtensions.ToPlatform(IElement view, IMauiContext context)
   at Microsoft.Maui.Handlers.ContentViewHandler.UpdateContent(IContentViewHandler handler)
   at Microsoft.Maui.Handlers.ContentViewHandler.MapContent(IContentViewHandler handler, IContentView page)
   at Microsoft.Maui.PropertyMapper`2.<>c__DisplayClass5_0[[Microsoft.Maui.IContentView, Microsoft.Maui, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null],[Microsoft.Maui.Handlers.IContentViewHandler, Microsoft.Maui, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null]].<Add>b__0(IElementHandler h, IElement v)
   at Microsoft.Maui.PropertyMapper.UpdatePropertyCore(String key, IElementHandler viewHandler, IElement virtualView)
   at Microsoft.Maui.PropertyMapper.UpdateProperties(IElementHandler viewHandler, IElement virtualView)
   at Microsoft.Maui.Handlers.ElementHandler.SetVirtualView(IElement view)
   at Microsoft.Maui.Handlers.ViewHandler`2[[Microsoft.Maui.IContentView, Microsoft.Maui, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null],[Microsoft.Maui.Platform.ContentView, Microsoft.Maui, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null]].SetVirtualView(IView view)
   at Microsoft.Maui.Handlers.ContentViewHandler.SetVirtualView(IView view)
   at Microsoft.Maui.Handlers.ViewHandler`2[[Microsoft.Maui.IContentView, Microsoft.Maui, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null],[Microsoft.Maui.Platform.ContentView, Microsoft.Maui, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null]].SetVirtualView(IElement view)
   at Microsoft.Maui.Controls.Element.SetHandler(IElementHandler newHandler)
   at Microsoft.Maui.Controls.Element.set_Handler(IElementHandler value)
   at Microsoft.Maui.Controls.VisualElement.Microsoft.Maui.IElement.set_Handler(IElementHandler value)
   at Microsoft.Maui.Platform.ElementExtensions.ToHandler(IElement view, IMauiContext context)
   at Microsoft.Maui.Platform.ElementExtensions.ToPlatform(IElement view, IMauiContext context)
   at Microsoft.Maui.Handlers.LayoutHandler.SetVirtualView(IView view)
   at Microsoft.Maui.Handlers.ViewHandler`2[[Microsoft.Maui.ILayout, Microsoft.Maui, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null],[Microsoft.Maui.Platform.LayoutView, Microsoft.Maui, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null]].SetVirtualView(IElement view)
   at Microsoft.Maui.Controls.Element.SetHandler(IElementHandler newHandler)
   at Microsoft.Maui.Controls.Element.set_Handler(IElementHandler value)
   at Microsoft.Maui.Controls.VisualElement.Microsoft.Maui.IElement.set_Handler(IElementHandler value)
   at Microsoft.Maui.Platform.ElementExtensions.ToHandler(IElement view, IMauiContext context)
   at Microsoft.Maui.Platform.ElementExtensions.ToPlatform(IElement view, IMauiContext context)
   at Microsoft.Maui.Handlers.ContentViewHandler.UpdateContent(IContentViewHandler handler)
   at Microsoft.Maui.Handlers.ContentViewHandler.MapContent(IContentViewHandler handler, IContentView page)
   at Microsoft.Maui.PropertyMapper`2.<>c__DisplayClass5_0[[Microsoft.Maui.IContentView, Microsoft.Maui, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null],[Microsoft.Maui.Handlers.IContentViewHandler, Microsoft.Maui, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null]].<Add>b__0(IElementHandler h, IElement v)
   at Microsoft.Maui.PropertyMapper.UpdatePropertyCore(String key, IElementHandler viewHandler, IElement virtualView)
   at Microsoft.Maui.PropertyMapper.UpdateProperties(IElementHandler viewHandler, IElement virtualView)
   at Microsoft.Maui.Handlers.ElementHandler.SetVirtualView(IElement view)
   at Microsoft.Maui.Handlers.ViewHandler`2[[Microsoft.Maui.IContentView, Microsoft.Maui, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null],[Microsoft.Maui.Platform.ContentView, Microsoft.Maui, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null]].SetVirtualView(IView view)
   at Microsoft.Maui.Handlers.ContentViewHandler.SetVirtualView(IView view)
   at Microsoft.Maui.Handlers.ViewHandler`2[[Microsoft.Maui.IContentView, Microsoft.Maui, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null],[Microsoft.Maui.Platform.ContentView, Microsoft.Maui, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null]].SetVirtualView(IElement view)
   at Microsoft.Maui.Controls.Element.SetHandler(IElementHandler newHandler)
   at Microsoft.Maui.Controls.Element.set_Handler(IElementHandler value)
   at Microsoft.Maui.Controls.VisualElement.Microsoft.Maui.IElement.set_Handler(IElementHandler value)
   at Microsoft.Maui.Platform.ElementExtensions.ToHandler(IElement view, IMauiContext context)
   at Microsoft.Maui.Platform.ElementExtensions.ToPlatform(IElement view, IMauiContext context)
   at Microsoft.Maui.Handlers.LayoutHandler.SetVirtualView(IView view)
   at Microsoft.Maui.Handlers.ViewHandler`2[[Microsoft.Maui.ILayout, Microsoft.Maui, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null],[Microsoft.Maui.Platform.LayoutView, Microsoft.Maui, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null]].SetVirtualView(IElement view)
   at Microsoft.Maui.Controls.Element.SetHandler(IElementHandler newHandler)
   at Microsoft.Maui.Controls.Element.set_Handler(IElementHandler value)
   at Microsoft.Maui.Controls.VisualElement.Microsoft.Maui.IElement.set_Handler(IElementHandler value)
   at Microsoft.Maui.Platform.ElementExtensions.ToHandler(IElement view, IMauiContext context)
   at Microsoft.Maui.Platform.ElementExtensions.ToPlatform(IElement view, IMauiContext context)
   at Microsoft.Maui.Handlers.LayoutHandler.SetVirtualView(IView view)
   at Microsoft.Maui.Handlers.ViewHandler`2[[Microsoft.Maui.ILayout, Microsoft.Maui, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null],[Microsoft.Maui.Platform.LayoutView, Microsoft.Maui, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null]].SetVirtualView(IElement view)
   at Microsoft.Maui.Controls.Element.SetHandler(IElementHandler newHandler)
   at Microsoft.Maui.Controls.Element.set_Handler(IElementHandler value)
   at Microsoft.Maui.Controls.VisualElement.Microsoft.Maui.IElement.set_Handler(IElementHandler value)
   at Microsoft.Maui.Platform.ElementExtensions.ToHandler(IElement view, IMauiContext context)
   at Microsoft.Maui.Platform.ElementExtensions.ToPlatform(IElement view, IMauiContext context)
   at Microsoft.Maui.Handlers.LayoutHandler.SetVirtualView(IView view)
   at Microsoft.Maui.Handlers.ViewHandler`2[[Microsoft.Maui.ILayout, Microsoft.Maui, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null],[Microsoft.Maui.Platform.LayoutView, Microsoft.Maui, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null]].SetVirtualView(IElement view)
   at Microsoft.Maui.Controls.Element.SetHandler(IElementHandler newHandler)
   at Microsoft.Maui.Controls.Element.set_Handler(IElementHandler value)
   at Microsoft.Maui.Controls.VisualElement.Microsoft.Maui.IElement.set_Handler(IElementHandler value)
   at Microsoft.Maui.Platform.ElementExtensions.ToHandler(IElement view, IMauiContext context)
   at Microsoft.Maui.Platform.ElementExtensions.ToPlatform(IElement view, IMauiContext context)
   at Microsoft.Maui.Handlers.LayoutHandler.SetVirtualView(IView view)
   at Microsoft.Maui.Handlers.ViewHandler`2[[Microsoft.Maui.ILayout, Microsoft.Maui, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null],[Microsoft.Maui.Platform.LayoutView, Microsoft.Maui, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null]].SetVirtualView(IElement view)
   at Microsoft.Maui.Controls.Element.SetHandler(IElementHandler newHandler)
   at Microsoft.Maui.Controls.Element.set_Handler(IElementHandler value)
   at Microsoft.Maui.Controls.VisualElement.Microsoft.Maui.IElement.set_Handler(IElementHandler value)
   at Microsoft.Maui.Platform.ElementExtensions.ToHandler(IElement view, IMauiContext context)
   at Microsoft.Maui.Platform.ElementExtensions.ToPlatform(IElement view, IMauiContext context)
   at Microsoft.Maui.Handlers.ContentViewHandler.UpdateContent(IContentViewHandler handler)
   at Microsoft.Maui.Handlers.ContentViewHandler.MapContent(IContentViewHandler handler, IContentView page)
   at Microsoft.Maui.PropertyMapper`2.<>c__DisplayClass5_0[[Microsoft.Maui.IContentView, Microsoft.Maui, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null],[Microsoft.Maui.Handlers.IContentViewHandler, Microsoft.Maui, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null]].<Add>b__0(IElementHandler h, IElement v)
   at Microsoft.Maui.PropertyMapper.UpdatePropertyCore(String key, IElementHandler viewHandler, IElement virtualView)
   at Microsoft.Maui.PropertyMapper.UpdateProperties(IElementHandler viewHandler, IElement virtualView)
   at Microsoft.Maui.Handlers.ElementHandler.SetVirtualView(IElement view)
   at Microsoft.Maui.Handlers.ViewHandler`2[[Microsoft.Maui.IContentView, Microsoft.Maui, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null],[Microsoft.Maui.Platform.ContentView, Microsoft.Maui, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null]].SetVirtualView(IView view)
   at Microsoft.Maui.Handlers.ContentViewHandler.SetVirtualView(IView view)
   at Microsoft.Maui.Handlers.ViewHandler`2[[Microsoft.Maui.IContentView, Microsoft.Maui, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null],[Microsoft.Maui.Platform.ContentView, Microsoft.Maui, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null]].SetVirtualView(IElement view)
   at Microsoft.Maui.Controls.Element.SetHandler(IElementHandler newHandler)
   at Microsoft.Maui.Controls.Element.set_Handler(IElementHandler value)
   at Microsoft.Maui.Controls.VisualElement.Microsoft.Maui.IElement.set_Handler(IElementHandler value)
   at Microsoft.Maui.Platform.ElementExtensions.ToHandler(IElement view, IMauiContext context)
   at Microsoft.Maui.Platform.ElementExtensions.ToPlatform(IElement view, IMauiContext context)
   at Microsoft.Maui.Handlers.LayoutHandler.SetVirtualView(IView view)
   at Microsoft.Maui.Handlers.ViewHandler`2[[Microsoft.Maui.ILayout, Microsoft.Maui, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null],[Microsoft.Maui.Platform.LayoutView, Microsoft.Maui, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null]].SetVirtualView(IElement view)
   at Microsoft.Maui.Controls.Element.SetHandler(IElementHandler newHandler)
   at Microsoft.Maui.Controls.Element.set_Handler(IElementHandler value)
   at Microsoft.Maui.Controls.VisualElement.Microsoft.Maui.IElement.set_Handler(IElementHandler value)
   at Microsoft.Maui.Platform.ElementExtensions.ToHandler(IElement view, IMauiContext context)
   at Microsoft.Maui.Platform.ElementExtensions.ToPlatform(IElement view, IMauiContext context)
   at Microsoft.Maui.Handlers.BorderHandler.UpdateContent(IBorderHandler handler)
   at Microsoft.Maui.Handlers.BorderHandler.MapContent(IBorderHandler handler, IBorderView border)
   at Microsoft.Maui.PropertyMapper`2.<>c__DisplayClass5_0[[Microsoft.Maui.IBorderView, Microsoft.Maui, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null],[Microsoft.Maui.Handlers.IBorderHandler, Microsoft.Maui, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null]].<Add>b__0(IElementHandler h, IElement v)
   at Microsoft.Maui.PropertyMapper.UpdatePropertyCore(String key, IElementHandler viewHandler, IElement virtualView)
   at Microsoft.Maui.PropertyMapper.UpdateProperties(IElementHandler viewHandler, IElement virtualView)
   at Microsoft.Maui.Handlers.ElementHandler.SetVirtualView(IElement view)
   at Microsoft.Maui.Handlers.ViewHandler`2[[Microsoft.Maui.IBorderView, Microsoft.Maui, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null],[Microsoft.Maui.Platform.ContentView, Microsoft.Maui, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null]].SetVirtualView(IView view)
   at Microsoft.Maui.Handlers.BorderHandler.SetVirtualView(IView view)
   at Microsoft.Maui.Handlers.ViewHandler`2[[Microsoft.Maui.IBorderView, Microsoft.Maui, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null],[Microsoft.Maui.Platform.ContentView, Microsoft.Maui, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null]].SetVirtualView(IElement view)
   at Microsoft.Maui.Controls.Element.SetHandler(IElementHandler newHandler)
   at Microsoft.Maui.Controls.Element.set_Handler(IElementHandler value)
   at Microsoft.Maui.Controls.VisualElement.Microsoft.Maui.IElement.set_Handler(IElementHandler value)
   at Microsoft.Maui.Platform.ElementExtensions.ToHandler(IElement view, IMauiContext context)
   at Microsoft.Maui.Platform.ElementExtensions.ToPlatform(IElement view, IMauiContext context)
   at Microsoft.Maui.Handlers.LayoutHandler.SetVirtualView(IView view)
   at Microsoft.Maui.Handlers.ViewHandler`2[[Microsoft.Maui.ILayout, Microsoft.Maui, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null],[Microsoft.Maui.Platform.LayoutView, Microsoft.Maui, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null]].SetVirtualView(IElement view)
   at Microsoft.Maui.Controls.Element.SetHandler(IElementHandler newHandler)
   at Microsoft.Maui.Controls.Element.set_Handler(IElementHandler value)
   at Microsoft.Maui.Controls.VisualElement.Microsoft.Maui.IElement.set_Handler(IElementHandler value)
   at Microsoft.Maui.Platform.ElementExtensions.ToHandler(IElement view, IMauiContext context)
   at Microsoft.Maui.Platform.ElementExtensions.ToPlatform(IElement view, IMauiContext context)
   at Microsoft.Maui.Handlers.ContentViewHandler.UpdateContent(IContentViewHandler handler)
   at Microsoft.Maui.Handlers.ContentViewHandler.MapContent(IContentViewHandler handler, IContentView page)
   at Microsoft.Maui.PropertyMapper`2.<>c__DisplayClass5_0[[Microsoft.Maui.IContentView, Microsoft.Maui, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null],[Microsoft.Maui.Handlers.IContentViewHandler, Microsoft.Maui, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null]].<Add>b__0(IElementHandler h, IElement v)
   at Microsoft.Maui.PropertyMapper.UpdatePropertyCore(String key, IElementHandler viewHandler, IElement virtualView)
   at Microsoft.Maui.PropertyMapper.UpdateProperties(IElementHandler viewHandler, IElement virtualView)
   at Microsoft.Maui.Handlers.ElementHandler.SetVirtualView(IElement view)
   at Microsoft.Maui.Handlers.ViewHandler`2[[Microsoft.Maui.IContentView, Microsoft.Maui, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null],[Microsoft.Maui.Platform.ContentView, Microsoft.Maui, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null]].SetVirtualView(IView view)
   at Microsoft.Maui.Handlers.ContentViewHandler.SetVirtualView(IView view)
   at Microsoft.Maui.Handlers.ViewHandler`2[[Microsoft.Maui.IContentView, Microsoft.Maui, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null],[Microsoft.Maui.Platform.ContentView, Microsoft.Maui, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null]].SetVirtualView(IElement view)
   at Microsoft.Maui.Controls.Element.SetHandler(IElementHandler newHandler)
   at Microsoft.Maui.Controls.Element.set_Handler(IElementHandler value)
   at Microsoft.Maui.Controls.VisualElement.Microsoft.Maui.IElement.set_Handler(IElementHandler value)
   at Microsoft.Maui.Platform.ElementExtensions.ToHandler(IElement view, IMauiContext context)
   at Microsoft.Maui.Platform.ElementExtensions.ToPlatform(IElement view, IMauiContext context)
   at Microsoft.Maui.Handlers.ContentViewHandler.UpdateContent(IContentViewHandler handler)
   at Microsoft.Maui.Handlers.ContentViewHandler.MapContent(IContentViewHandler handler, IContentView page)
   at Microsoft.Maui.PropertyMapper`2.<>c__DisplayClass5_0[[Microsoft.Maui.IContentView, Microsoft.Maui, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null],[Microsoft.Maui.Handlers.IContentViewHandler, Microsoft.Maui, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null]].<Add>b__0(IElementHandler h, IElement v)
   at Microsoft.Maui.PropertyMapper.UpdatePropertyCore(String key, IElementHandler viewHandler, IElement virtualView)
   at Microsoft.Maui.PropertyMapper.UpdateProperties(IElementHandler viewHandler, IElement virtualView)
   at Microsoft.Maui.Handlers.ElementHandler.SetVirtualView(IElement view)
   at Microsoft.Maui.Handlers.ViewHandler`2[[Microsoft.Maui.IContentView, Microsoft.Maui, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null],[Microsoft.Maui.Platform.ContentView, Microsoft.Maui, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null]].SetVirtualView(IView view)
   at Microsoft.Maui.Handlers.ContentViewHandler.SetVirtualView(IView view)
   at Microsoft.Maui.Handlers.ViewHandler`2[[Microsoft.Maui.IContentView, Microsoft.Maui, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null],[Microsoft.Maui.Platform.ContentView, Microsoft.Maui, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null]].SetVirtualView(IElement view)
   at Microsoft.Maui.Controls.Element.SetHandler(IElementHandler newHandler)
   at Microsoft.Maui.Controls.Element.set_Handler(IElementHandler value)
   at Microsoft.Maui.Controls.VisualElement.Microsoft.Maui.IElement.set_Handler(IElementHandler value)
   at Microsoft.Maui.Platform.ElementExtensions.ToHandler(IElement view, IMauiContext context)
   at Microsoft.Maui.Platform.ElementExtensions.ToPlatform(IElement view, IMauiContext context)
   at Microsoft.Maui.Handlers.LayoutHandler.SetVirtualView(IView view)
   at Microsoft.Maui.Handlers.ViewHandler`2[[Microsoft.Maui.ILayout, Microsoft.Maui, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null],[Microsoft.Maui.Platform.LayoutView, Microsoft.Maui, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null]].SetVirtualView(IElement view)
   at Microsoft.Maui.Controls.Element.SetHandler(IElementHandler newHandler)
   at Microsoft.Maui.Controls.Element.set_Handler(IElementHandler value)
   at Microsoft.Maui.Controls.VisualElement.Microsoft.Maui.IElement.set_Handler(IElementHandler value)
   at Microsoft.Maui.Platform.ElementExtensions.ToHandler(IElement view, IMauiContext context)
   at Microsoft.Maui.Platform.ElementExtensions.ToPlatform(IElement view, IMauiContext context)
   at Microsoft.Maui.Handlers.LayoutHandler.SetVirtualView(IView view)
   at Microsoft.Maui.Handlers.ViewHandler`2[[Microsoft.Maui.ILayout, Microsoft.Maui, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null],[Microsoft.Maui.Platform.LayoutView, Microsoft.Maui, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null]].SetVirtualView(IElement view)
   at Microsoft.Maui.Controls.Element.SetHandler(IElementHandler newHandler)
   at Microsoft.Maui.Controls.Element.set_Handler(IElementHandler value)
   at Microsoft.Maui.Controls.VisualElement.Microsoft.Maui.IElement.set_Handler(IElementHandler value)
   at Microsoft.Maui.Platform.ElementExtensions.ToHandler(IElement view, IMauiContext context)
   at Microsoft.Maui.Platform.ElementExtensions.ToPlatform(IElement view, IMauiContext context)
   at Microsoft.Maui.Handlers.BorderHandler.UpdateContent(IBorderHandler handler)
   at Microsoft.Maui.Handlers.BorderHandler.MapContent(IBorderHandler handler, IBorderView border)
   at Microsoft.Maui.PropertyMapper`2.<>c__DisplayClass5_0[[Microsoft.Maui.IBorderView, Microsoft.Maui, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null],[Microsoft.Maui.Handlers.IBorderHandler, Microsoft.Maui, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null]].<Add>b__0(IElementHandler h, IElement v)
   at Microsoft.Maui.PropertyMapper.UpdatePropertyCore(String key, IElementHandler viewHandler, IElement virtualView)
   at Microsoft.Maui.PropertyMapper.UpdateProperties(IElementHandler viewHandler, IElement virtualView)
   at Microsoft.Maui.Handlers.ElementHandler.SetVirtualView(IElement view)
   at Microsoft.Maui.Handlers.ViewHandler`2[[Microsoft.Maui.IBorderView, Microsoft.Maui, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null],[Microsoft.Maui.Platform.ContentView, Microsoft.Maui, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null]].SetVirtualView(IView view)
   at Microsoft.Maui.Handlers.BorderHandler.SetVirtualView(IView view)
   at Microsoft.Maui.Handlers.ViewHandler`2[[Microsoft.Maui.IBorderView, Microsoft.Maui, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null],[Microsoft.Maui.Platform.ContentView, Microsoft.Maui, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null]].SetVirtualView(IElement view)
   at Microsoft.Maui.Controls.Element.SetHandler(IElementHandler newHandler)
   at Microsoft.Maui.Controls.Element.set_Handler(IElementHandler value)
   at Microsoft.Maui.Controls.VisualElement.Microsoft.Maui.IElement.set_Handler(IElementHandler value)
   at Microsoft.Maui.Platform.ElementExtensions.ToHandler(IElement view, IMauiContext context)
   at Microsoft.Maui.Platform.ElementExtensions.ToPlatform(IElement view, IMauiContext context)
   at Microsoft.Maui.Handlers.ContentViewHandler.UpdateContent(IContentViewHandler handler)
   at Microsoft.Maui.Handlers.ContentViewHandler.MapContent(IContentViewHandler handler, IContentView page)
   at Microsoft.Maui.PropertyMapper`2.<>c__DisplayClass5_0[[Microsoft.Maui.IContentView, Microsoft.Maui, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null],[Microsoft.Maui.Handlers.IContentViewHandler, Microsoft.Maui, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null]].<Add>b__0(IElementHandler h, IElement v)
   at Microsoft.Maui.PropertyMapper.UpdatePropertyCore(String key, IElementHandler viewHandler, IElement virtualView)
   at Microsoft.Maui.PropertyMapper.UpdateProperties(IElementHandler viewHandler, IElement virtualView)
   at Microsoft.Maui.Handlers.ElementHandler.SetVirtualView(IElement view)
   at Microsoft.Maui.Handlers.ViewHandler`2[[Microsoft.Maui.IContentView, Microsoft.Maui, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null],[Microsoft.Maui.Platform.ContentView, Microsoft.Maui, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null]].SetVirtualView(IView view)
   at Microsoft.Maui.Handlers.ContentViewHandler.SetVirtualView(IView view)
   at Microsoft.Maui.Handlers.ViewHandler`2[[Microsoft.Maui.IContentView, Microsoft.Maui, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null],[Microsoft.Maui.Platform.ContentView, Microsoft.Maui, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null]].SetVirtualView(IElement view)
   at Microsoft.Maui.Controls.Element.SetHandler(IElementHandler newHandler)
   at Microsoft.Maui.Controls.Element.set_Handler(IElementHandler value)
   at Microsoft.Maui.Controls.VisualElement.Microsoft.Maui.IElement.set_Handler(IElementHandler value)
   at Microsoft.Maui.Platform.ElementExtensions.ToHandler(IElement view, IMauiContext context)
   at Microsoft.Maui.Platform.ViewExtensions.ToHandler(IView view, IMauiContext context)
   at Microsoft.Maui.Controls.Handlers.Items.TemplateHelpers.GetHandler(View view, IMauiContext context)
   at Microsoft.Maui.Controls.Handlers.Items.TemplatedCell.Bind(DataTemplate template, Object bindingContext, ItemsView itemsView)
   at Microsoft.Maui.Controls.Handlers.Items.ItemsViewController`1[[Microsoft.Maui.Controls.CarouselView, Microsoft.Maui.Controls, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null]].UpdateTemplatedCell(TemplatedCell cell, NSIndexPath indexPath)
   at Microsoft.Maui.Controls.Handlers.Items.ItemsViewController`1[[Microsoft.Maui.Controls.CarouselView, Microsoft.Maui.Controls, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null]].GetCell(UICollectionView collectionView, NSIndexPath indexPath)
   at Microsoft.Maui.Controls.Handlers.Items.CarouselViewController.GetCell(UICollectionView collectionView, NSIndexPath indexPath)
   at UIKit.UIApplication.UIApplicationMain(Int32 argc, String[] argv, IntPtr principalClassName, IntPtr delegateClassName)
   at UIKit.UIApplication.Main(String[] args, Type principalClass, Type delegateClass)


Chart
Didi
Telerik team
 updated answer on 02 Aug 2023
2 answers
114 views
NumericInputEntry in a ControlTemplate no longer obeys VerticalTextAlignment.

This is a change in behavior from previous versions. Changing the value from Center to End, then back to Center in the debugger will change the alignment, but I haven't found a way to make it work in my app. At present the alignment appears to be Start.

Example code:

        <ControlTemplate x:Key="RotationRadNumericInputControlTemplate">
            <Grid>
                <telerik:RadBorder x:Name="PART_BorderVisual" BorderColor="Transparent">
                    <Grid ColumnSpacing="{StaticResource Spacing}" HeightRequest="50">
                        <Grid.ColumnDefinitions>
                            <ColumnDefinition Width="50" />
                            <ColumnDefinition Width="*" />
                            <ColumnDefinition Width="50" />
                        </Grid.ColumnDefinitions>
                        <telerik:NumericInputButton
                            Grid.Column="0"
                            HorizontalContentAlignment="Center"
                            VerticalContentAlignment="Center"
                            BackgroundColor="Transparent"
                            BorderColor="DarkOrange"
                            BorderThickness="2"
                            Command="{TemplateBinding DecreaseCommand}"
                            CornerRadius="0"
                            FontSize="{StaticResource MediumFontSize}"
                            IsEnabled="{TemplateBinding IsEnabled}"
                            Text="-"
                            TextColor="DarkOrange" />
                        <telerik:NumericInputEntry
                            x:Name="PART_Entry"
                            Grid.Column="1"
                            BackgroundColor="Transparent"
                            BorderBrush="DarkOrange"
                            BorderThickness="1"
                            ClearButtonVisibility="Never"
                            CornerRadius="0"
                            FontSize="{StaticResource MediumFontSize}"
                            HeightRequest="50"
                            HorizontalTextAlignment="Center"
                            InputTransparent="{TemplateBinding IsReadOnly}"
                            IsReadOnly="True"
                            Text="{TemplateBinding Value}"
                            TextColor="DarkOrange"
                            VerticalTextAlignment="Center"
                            WidthRequest="100" />
                        <telerik:NumericInputButton
                            Grid.Column="2"
                            HorizontalContentAlignment="Center"
                            VerticalContentAlignment="Center"
                            BackgroundColor="Transparent"
                            BorderColor="DarkOrange"
                            BorderThickness="2"
                            Command="{TemplateBinding IncreaseCommand}"
                            CornerRadius="0"
                            FontSize="{StaticResource MediumFontSize}"
                            IsEnabled="{TemplateBinding IsEnabled}"
                            Text="+"
                            TextColor="DarkOrange" />
                    </Grid>
                </telerik:RadBorder>
                <telerik:RadBorder x:Name="PART_FocusBorderVisual" BorderColor="Transparent" />
            </Grid>
        </ControlTemplate>
NumericInput
Didi
Telerik team
 answered on 01 Aug 2023
1 answer
1.3K+ views
Visual Designer for MAUI/WinUI

Dear Telerik Team,

As a dedicated and experienced computer scientist who has specialized in the domains of Ontology Development, Graph Data Systems, and Graph Information Theory, I write to you with a pressing concern that I believe is shared by a significant part of our developer community. The recent strategic decision by Microsoft to forgo a Visual Designer for UI design has sent waves of confusion and discord through the ecosystem of UI/UX Design and Development.

With this absence, Microsoft has inadvertently cast aside not just Telerik, but developers of all kinds who are involved in crafting native desktop experiences. It's puzzling to determine the precise reasons for this decision, but if it's primarily business-oriented, I dare to opine that it's a peculiar one at best.

Remembering back, I recollect that a crucial motivation behind Microsoft's creation of Blend was to establish the much-needed separation of concerns between UI design and UI implementation. This was not just a handy tool, but a philosophy that fundamentally transformed how we approach UI development. Rare indeed is the desktop UI developer who possesses the innate talent and skill set to conceive effective and aesthetic user interfaces.

The inception of Blend stimulated a new paradigm that nurtures the coexistence of UI design and UI implementation as individual workflows, each executed by different teams with their own expertise. A UI Designer could work within Blend to create robust UI prototypes and promptly present these to stakeholders. Subsequent iterations of Blend even allowed designers to craft, through declarative means (no-code/low-code), sample data and data-binding that could be repurposed as the UI design transitioned into the implementation phase.

The dismissal of a UI designer solution leaves a void in this vital workflow. Consequently, this essential separation of concerns is at risk of collapsing, and the potential ramifications of this development could be detrimental to our field.

This is where I believe Telerik can take a pivotal role. Telerik is renowned for its dedication to developer success and its strong suite of UI controls and tools. You have the opportunity, the talent, and the credibility to build a UI Designer for MAUI and WinUI that could fill the vacuum left by Microsoft's recent decision. By undertaking this task, Telerik could continue to carry the torch for the essential philosophy of separating UI design from UI implementation, a philosophy that has driven so much progress in our field.

With respect and hope for the future,

Tavi Truman

General Discussions
Lance | Senior Manager Technical Support
Telerik team
 answered on 31 Jul 2023
1 answer
226 views
When using Grid/StackLayout/CollectionVIew or any other type of control inside RadScrollView, it is not occupying complete screen width

Hi Telerik.

I need to use Grid inside RadScrollView.

Whereas when trying to use let say, Grid/StackLayout/CollectionView the child content doesn't occupy the complete width of that of the device.

 

NOTE:

1. The RadScrollView occupies the complete width of that of device, only the child content doesn't occupy the complete width.

2. If the RadScrollView is removed the same child content occupies the complete width.

 

Code:

 

Sample Page:

 

Thanks,

Mohammed Rameez Raza.

SlideView
Didi
Telerik team
 answered on 31 Jul 2023
1 answer
157 views
Pdfviewer doesn't work

Hi, 

I'm trying to replicate the demo implementation of the pdfviewer control, but it doesn't work. Am I forgetting something?

 

1. The pdf document. HAve Build Action to Embedded resource

 

2. The view

3. Finally, the code-behind

PDFViewer
Didi
Telerik team
 answered on 31 Jul 2023
1 answer
94 views
Change indicator color of RadSlideView - MAUI

Hi Telerik,

Is there any way to change the selected and unselected images indicator color for RadSlideView in MAUI.

 

NOTE: Have looked into the IndicatorStyle property, but there is not style property to change indicator color in it.

The below is the screenshot how it looks now.

 

 

Thanks,

Mohammed Rameez Raza. 

SlideView
Didi
Telerik team
 answered on 27 Jul 2023
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