Extended canvas KeyDown event not fired

Fri, 02 May 2008 17:01:25 Z

Hi,

In my window I have tabcontainer which includes tabs with my extended canvas.

I tried in few ways add handlers for events (KeyDown, OnPreviewKeyDown etc, AddHandler(...)) on this canvas but event is not fireing. I tried to use Keyboard.Focus method but it still not works. What should I do? I would like to add some canvas connected functionality which needs keyboard.

Best regard

Extended canvas KeyDown event not fired

Mon, 05 May 2008 04:51:47 Z

This is because the Canvas control is not focusable by default. You can set the Canvas.Focusable to true to achieve this goal. Here is the example.

Code Snippet

<Canvas KeyDown="Canvas_KeyDown" PreviewKeyDown="Canvas_PreviewKeyDown"

Focusable="True" Width="300" Height="300"/>

private void Canvas_KeyDown(object sender, KeyEventArgs e)

{

Debug.WriteLine("KeyDown");

}

private void Canvas_PreviewKeyDown(object sender, KeyEventArgs e)

{

Debug.WriteLine("PreviewKeyDown");

}

Best Regards,

Wei Zhou

Extended canvas KeyDown event not fired

Tue, 06 May 2008 07:45:40 Z

Ok it works but I moved logic of key down event at canvas container level (TabItem).

Best regards

MarN