WPF xaml 中的相对定位
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Relative positioning in WPF xaml
提问by Idov
Is it possible to position a control in the XAML definiton relative to another control?
for example if I want to place a control exactly in the middle of another wider control.
and if so - how?
是否可以在 XAML 定义中相对于另一个控件定位控件？
例如，如果我想将一个控件正好放在另一个更宽的控件的中间。
如果是这样 - 如何？
回答by Johan Larsson
If you want to center the controls you could wrap them in a grid:
如果要使控件居中，可以将它们包装在网格中：
<Grid>
<TextBox Height="132" Width="229" VerticalAlignment="Center" HorizontalAlignment="Center" />
<Button Content="Button" Height="23" Width="75" VerticalAlignment="Center" HorizontalAlignment="Center" />
</Grid>
Other positioning can be accomplished by other panels like StackPanel etc. Grid beeing the most flexible choice.
其他定位可以通过其他面板（如 StackPanel 等）来完成。网格是最灵活的选择。
Edit: updated with grid and columns for controlling position:
编辑：更新了用于控制位置的网格和列：
<Grid Height="50" Width="200">
<Grid.ColumnDefinitions>
<ColumnDefinition Width="50*" />
<ColumnDefinition Width="20*" />
<ColumnDefinition Width="75*" />
</Grid.ColumnDefinitions>
<TextBox Grid.Column="0" Background="Red" />
<Button Content="Button" Grid.Column="2" />
</Grid>
