WPF relativesource,self,FindAncestor,AncestorType,AncestorLevel,PreviousData,TemplatedParent 



<Window x:Class="WpfApp68.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:WpfApp68" WindowState="Maximized"
        mc:Ignorable="d" Margin="100" Background="Blue"
        Title="MainWindow" Height="450" Width="800">
    <Grid Margin="100" Background="Yellow">
        <Grid Margin="100">
            <StackPanel Margin="100" Background="Red">
                <Button Content="{Binding ActualWidth,RelativeSource={RelativeSource self}}" Click="OnIncrementAge"/>
                <TextBlock Text="{Binding ActualWidth,RelativeSource={RelativeSource FindAncestor,AncestorType=Window}}"/>
                <TextBlock Text="{Binding ActualWidth,RelativeSource={RelativeSource FindAncestor,AncestorLevel=1,AncestorType=Grid}}"/>
                <TextBlock Text="{Binding ActualWidth,RelativeSource={RelativeSource FindAncestor,AncestorLevel=2,AncestorType=Grid}}"/>
                <TextBlock Text="{Binding ActualWidth,RelativeSource={RelativeSource FindAncestor,AncestorType=StackPanel}}"/>
            </StackPanel>
        </Grid>
       
    </Grid>
</Window>






 


 




 






            

            
posted @ 
2024-04-21 22:04 
FredGrit 
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