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Listview Icon View Problem

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ListView
This is a migrated thread and some comments may be shown as answers.
Mark
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Mark asked on 22 Mar 2019, 09:29 AM
listviewicon.jpg

Hi,

I have been trying to make the icon view more of a tile view however when I try and do the back colour it does a gradient fill instead. See attachment

Form Code

    this.radListView2.ViewType = ListViewType.IconsView;
    this.radListView2.ItemSize = new Size(300, 120);
    this.radListView2.ItemSpacing = 10;
    this.radListView2.AllowEdit = false;
    this.radListView2.EnableFiltering = true;
    this.radListView2.HotTracking = false;
 
    this.radListView2.RootElement.BackColor = Color.Transparent;
    this.radListView2.BackColor = Color.Transparent;
    this.radListView2.ListViewElement.DrawFill = false;
    this.radListView2.ListViewElement.ViewElement.BackColor = Color.Transparent;
 
    this.radListView2.RootElement.EnableElementShadow = false;
}
 
private void radListView2_VisualItemCreating(object sender, ListViewVisualItemCreatingEventArgs e)
{
    if (e.VisualItem is IconListViewVisualItem)
    {
        e.VisualItem = new PeopleListIcon();
    }
}

 

PeopleListIcon Code

using System;
using HRSystem.HRDataCentre;
using System.Collections.Generic;
using System.Drawing;
using System.Reflection;
using System.Text;
using Telerik.WinControls;
using Telerik.WinControls.UI;
using System.Linq;
using Telerik.WinControls.Layouts;
 
namespace HRSystem.New_Element
{
    public class PeopleListIcon : IconListViewVisualItem
    {
        protected override Type ThemeEffectiveType
        {
            get
            {
                return typeof(IconListViewVisualItem);
            }
        }
 
        LightVisualElement RoleName = new LightVisualElement();
        LightVisualElement RoleType = new LightVisualElement();
 
        LightVisualElement PersonName = new LightVisualElement();
 
        LightVisualElement Duration = new LightVisualElement();
        LightVisualElement Active = new LightVisualElement();
 
        private StackLayoutElement verticalContainer = new StackLayoutElement();
        private StackLayoutElement roomHeaderContainer = new StackLayoutElement();
        private StackLayoutElement roomFooterContainer = new StackLayoutElement();
 
        protected override void CreateChildElements()
        {
            base.CreateChildElements();
 
            verticalContainer.Orientation = System.Windows.Forms.Orientation.Vertical;
            verticalContainer.NotifyParentOnMouseInput = true;
            verticalContainer.ShouldHandleMouseInput = false;
            verticalContainer.StretchHorizontally = true;
            verticalContainer.StretchVertically = true;
 
            roomHeaderContainer.Orientation = System.Windows.Forms.Orientation.Horizontal;
            roomHeaderContainer.NotifyParentOnMouseInput = true;
            roomHeaderContainer.ShouldHandleMouseInput = false;
            roomHeaderContainer.Children.Add(RoleName);
            roomHeaderContainer.Children.Add(RoleType);
            roomHeaderContainer.StretchHorizontally = true;
 
            RoleName.NotifyParentOnMouseInput = true;
            RoleName.ShouldHandleMouseInput = false;
            RoleName.StretchHorizontally = true;
            RoleName.CustomFont = "Roboto";
            RoleName.CustomFontSize = 9;
            RoleName.CustomFontStyle = FontStyle.Bold;
            RoleName.Margin = new System.Windows.Forms.Padding(5, 10, 0, 0);
            RoleName.TextAlignment = System.Drawing.ContentAlignment.MiddleLeft;
 
            RoleType.NotifyParentOnMouseInput = true;
            RoleType.ShouldHandleMouseInput = false;
            RoleType.StretchHorizontally = false;
            RoleType.CustomFont = "Roboto";
            RoleType.CustomFontSize = 9;
            RoleType.CustomFontStyle = FontStyle.Regular;
            RoleType.Margin = new System.Windows.Forms.Padding(0, 5, 5, 0);
 
            roomFooterContainer.Orientation = System.Windows.Forms.Orientation.Horizontal;
            roomFooterContainer.NotifyParentOnMouseInput = true;
            roomFooterContainer.ShouldHandleMouseInput = false;
            roomFooterContainer.StretchHorizontally = true;
            roomFooterContainer.DrawFill = true;
            roomFooterContainer.BackColor = Color.White;
            roomFooterContainer.GradientStyle = GradientStyles.Solid;
            roomFooterContainer.MinSize = new System.Drawing.Size(0, 30);
 
            PersonName.TextImageRelation = System.Windows.Forms.TextImageRelation.ImageBeforeText;
            PersonName.StretchHorizontally = false;
            PersonName.Layout.LeftPart.Padding = new System.Windows.Forms.Padding(24, 0, 8, 0);
 
            PersonName.Alignment = System.Drawing.ContentAlignment.MiddleCenter;
            PersonName.NotifyParentOnMouseInput = true;
            PersonName.ShouldHandleMouseInput = false;
            PersonName.CustomFont = "Roboto";
            PersonName.CustomFontSize = 12;
            PersonName.CustomFontStyle = FontStyle.Regular;
 
             
            Duration.NotifyParentOnMouseInput = true;
            Duration.ShouldHandleMouseInput = false;
 
            Duration.StretchVertically = true;
            Active.StretchVertically = true;
            roomFooterContainer.Children.Add(Duration);
            roomFooterContainer.Children.Add(Active);
 
            Active.NotifyParentOnMouseInput = true;
            Active.ShouldHandleMouseInput = false;
            Active.StretchHorizontally = false;
            Active.TextImageRelation = System.Windows.Forms.TextImageRelation.ImageBeforeText;
            Active.CustomFont = "Roboto";
            Active.CustomFontSize = 9;
            Active.CustomFontStyle = FontStyle.Regular;
 
            Duration.TextImageRelation = System.Windows.Forms.TextImageRelation.ImageBeforeText;
            Duration.CustomFont = "Roboto";
            Duration.CustomFontSize = 9;
            Duration.CustomFontStyle = FontStyle.Regular;
            Duration.Margin = new System.Windows.Forms.Padding(5, 0, 0, 0);
            Duration.StretchHorizontally = false;
 
            verticalContainer.Children.Add(roomHeaderContainer);
            verticalContainer.Children.Add(PersonName);
            verticalContainer.Children.Add(roomFooterContainer);
 
            this.Children.Add(this.verticalContainer);
        }
        protected override void SynchronizeProperties()
        {
            base.SynchronizeProperties();
            this.DrawText = false;
            this.BackColor = Color.White;
            this.DrawFill = true;
            this.DrawBorder = false;
            RoleName.Margin = new System.Windows.Forms.Padding(8, 8, 0, 0);
            RoleType.ImageLayout = System.Windows.Forms.ImageLayout.None;
            PersonName.Margin = new System.Windows.Forms.Padding(24, 0, 0, 0);
 
            PersonName.Layout.LeftPart.Margin = new System.Windows.Forms.Padding(0, 0, 5, 0);
            PersonName.StretchHorizontally = true;
            PersonName.ImageAlignment = ContentAlignment.MiddleLeft;
            PersonName.TextAlignment = ContentAlignment.MiddleLeft;
 
            Duration.Layout.LeftPart.Margin = new System.Windows.Forms.Padding(0, -3, 0, 0);
            Duration.ForeColor = Color.FromArgb(200, 0, 0, 0);
            Active.ForeColor = Color.FromArgb(200, 0, 0, 0);
            Active.Layout.LeftPart.Margin = new System.Windows.Forms.Padding(0, -3, 0, 0);
 
            People Person = this.Data.DataBoundItem as People;
 
            if (Person != null)
            {
                RoleName.Text = Person.Roles.Any() ? Person.Roles.FirstOrDefault().RoleTitle : "No Role";
                RoleType.Text = Person.Roles.Any() ? Person.Roles.FirstOrDefault().Type.Description : "";
 
                PersonName.Text = Person.Forename + " " + Person.Surname;
                int age = Person.Roles.Any() ? Function.GetAge(Person.Roles.FirstOrDefault().StartDate) : 0;
                Duration.Text = age + " years";
 
                RoleName.ForeColor = Color.FromArgb(190, 0, 0, 0);
                RoleType.ForeColor = Color.Black;
                PersonName.ForeColor = Color.Black;
 
                if (RoleType.Text == "Staff" || RoleType.Text == "Volunteer")
                {
                    this.BackColor = Color.FromArgb(247, 247, 247);
                }
                else
                {
                    this.BackColor = Color.FromArgb(170, 13, 13);
                }
            }
            else
            {
                PersonName.Text = "Free Room";
                Duration.Text = "0 days";
                this.BackColor = Color.DarkRed;
                RoleName.ForeColor = Color.White;
                RoleType.ForeColor = Color.White;
                PersonName.ForeColor = Color.White;
            }
        }
    }
}

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Dimitar
Telerik team
answered on 22 Mar 2019, 12:05 PM
Hello Mark,

You can add the following setting to the SynchronizeProperties method:
this.GradientStyle = GradientStyles.Solid;

I hope this helps. Should you have any other questions do not hesitate to ask.
 
Regards,
Dimitar
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Mark
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answered on 22 Mar 2019, 01:02 PM
That worked, thank you!
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Mark
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