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Looking to get the IsMouseOver of a button inside a header of an expander all though xaml

Posted By:      Posted Date: August 31, 2010    Points: 0   Category :WPF
<Window x:Class="Testwpf.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="MainWindow" Height="350" Width="525"> <Grid> <Expander x:Name="expan" IsExpanded="True" AllowDrop="True"> <Expander.Header> <Grid x:Name="grd"> <TextBlock Text="asdfhasodfjasdfj asjf aspd fk" HorizontalAlignment="Left" Margin="20,4,0,0"/> <Button x:Name="BtnHeaderGreen" Content="1" Width="25" HorizontalAlignment="Left"/> </Grid> </Expander.Header> <Expander.Content> <Grid > <Canvas Margin="0,2,0,0" x:Name="can" Panel.ZIndex="99"> <Canvas.Style> <Style TargetType="{x:Type Canvas}"> <Style.Triggers> <DataTrigger Binding="{Binding RelativeSource={RelativeSource FindAncestor,AncestorType={x:Type Expander}}, Path=Header.IsMouseOver}" Value="true"> <Setter Property="Visibility" Value="Visible"/>

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