宽度问题 [英] Width question

问题描述

以下控件的宽度为1000.所包含的控件均未指定宽度。他们不应该伸展来填充他们的容器吗？对于每个控件，Blend表示Width = Auto，Horizo​​ntialAlignment = Stretch。很抱歉提出愚蠢的问题我是一个火红的初学者。
谢谢！

The width of the control below is 1000.  None of the contained controls specifies a width.  Shouldn't they stretch to fill their container?  For each control, Blend says Width=Auto, HorizontialAlignment=Stretch.  Sorry for asking dumb questions I'm a flaming beginner.
Thanks!

<yada yada Width="1000">
	
    <Grid x:Name="LayoutRoot" Background="White">
        <controls:TreeView x:Name="TreeView1" ItemsSource="{Binding}" BorderThickness="6,1,1,1">
            <controls:TreeView.ItemTemplate>
                <common:HierarchicalDataTemplate ItemsSource="{Binding Replies}">
                 	<StackPanel Orientation="Vertical">
                    	<TextBlock Text="{Binding Date, Mode=OneWay}" Margin="10,10,0,0" Height="10" />
                    	<Rectangle Stroke="Black"  Fill="#FFD2C7C7" Height="25"/>
                 		<TextBlock Text="{Binding Comment}" />
                 		<TextBox x:Name="ReplyText" />
                 		<Button Content="Reply" Click="ReplyButton_Click" />
					</StackPanel>
                 
                </common:HierarchicalDataTemplate>
            </controls:TreeView.ItemTemplate>
        </controls:TreeView>
    </Grid>
</UserControl>

推荐答案

您好Sam，您可以设置宽度和要拉伸的高度（属性>布局面板的对齐部分右侧的第4个图标）以及自动的宽度和高度。这将自动将子控件拉伸到其父容器的大小。

Hi Sam, you can set the width and height to stretch ( the 4th icon on the right on the alignment section of the Properties>Layout panel) and the width and height to auto. This will automatically stretch the child controls to the size of their parent container.

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