Why does the wrappanel event fire before a child's event?

Question

I have a WrapPanel that has a button as a child element. Both the WrapPanel and the Button have the PreviewMouseLeftButtonDown event defined.

I have noticed that when I click the Button, the WrapPanel's event is fired before the Button's event. Is there anyway to change that?

score 2 · Accepted Answer · answered Jun 25 '12 at 15:21

2

Because Preview* events are tunneling, they travel from the root to the source, so they are raised on the panel, which is closer to the root, first. Use the bubbling version (MouseLeftButtonDown) to have the event travel up the tree.

answered Jun 25 '12 at 15:21

H.B.

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score 0 · Answer 2 · answered Jun 25 '12 at 15:24

0

When you set the property IsHItTestVisible to false then mouse triggered events like a clicks will be ignored.

answered Jun 25 '12 at 15:24

marc wellman

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Why does the wrappanel event fire before a child's event?

2 Answers2