1 Answer, 1 is accepted
Hello Toby,
You can use the following code snippet to change the default image of the HelpButton.
public RadForm1()
{
InitializeComponent();
this.FormElement.TitleBar.HelpButton.Visibility = ElementVisibility.Visible;
RadImageShape imageShape = new RadImageShape();
imageShape.Image = Image.FromFile(@"C:\..\..\MyImage.PNG");
this.FormElement.TitleBar.HelpButton.Image = imageShape.Image;
this.FormElement.TitleBar.HelpButton.DisplayStyle = DisplayStyle.Image;
}Keep in mind that you need to set the DisplayStyle property of the HelpButton to Image. Otherwise, the Image property won't be respected.
I hope you find this reply helpful.
Regards,
Dinko
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I've just tried your suggested solution and it works, but only when the ThemeName of the form is set to something other than ControlDefault. If it is set to ControlDefault i see a '?' rather than my image.
I can reproduce this when a new project and an empty form.
Is it possible to set the image when the ThemeName is set to ControlDefault ?
In the ControlDefault theme, the HelpButton is using SVG image for its question mark. The SvgImage of the ImagePrimitive has a higher priority than the Image property. To respect the image property you can reset the SvgImage property value by setting it to null.
public RadForm1()
{
InitializeComponent();
this.FormElement.TitleBar.HelpButton.Visibility = ElementVisibility.Visible;
RadImageShape imageShape = new RadImageShape();
imageShape.Image = Image.FromFile(@"C:\..\..\MyImage.PNG");
this.FormElement.TitleBar.HelpButton.ImagePrimitive.SvgImage = null;
this.FormElement.TitleBar.HelpButton.Image = imageShape.Image;
this.FormElement.TitleBar.HelpButton.DisplayStyle = DisplayStyle.Image;
}
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