Hi George,
I performed a test based on your description but didn't reproduce the
problem on my side. I could set the Template property of a Thumb control at
run time.
The following is XAML:
<Window x:Class="WpfApplication1.Window1"
xmlns="
http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="
http://schemas.microsoft.com/winfx/2006/xaml"
Title="Window2" Height="300" Width="300" Loaded="Window_Loaded" >
<Window.Resources>
<ControlTemplate x:Key="ThumbTemplate" TargetType="{x:Type Thumb}">
<Ellipse Width="20" Height="20" Fill="Blue"/>
</ControlTemplate>
</Window.Resources>
<StackPanel>
<Canvas Name="myCanvasStretch" Width="200" Height="200"
Background="Pink">
<Thumb Name="myThumb" Canvas.Left="80" Canvas.Top="80"
Background="Blue"
Width="20" Height="20" />
</Canvas>
</StackPanel>
</Window>
The code in the Window1.cs file:
public partial class Window1 : Window
{
public Window1()
{
InitializeComponent();
}
private void Window_Loaded(object sender, RoutedEventArgs e)
{
this.myThumb.Template = TryFindResource("ThumbTemplate") as
ControlTemplate;
}
}
Build and run the application. The Thumb control is rendered as a blue
ellipse.
Is there any difference between your code and mine?
Sincerely,
Linda Liu
Microsoft Online Community Support
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