Stick to the bottom of a StackPanel
In my window, there is a Grid that takes up 100% of the available vertical space. Inside that Grid is a StackPanel with another StackPanel and a Frame inside. I would like to have that Frame stick to the bottom of the parent StackPanel.
<StackPanel>
<StackPanel>
//normal content
</StackPanel>
<Frame /> // should stick to the bottom
</StackPanel>
So that, for example, when the user resizes the Window and the Grid gains height, the Frame inside sticks to the bottom.
I have tried various things, using VerticalAlign="Stretch" or a DockPanel and assigning the Frame a DockPanel.Dock="Bottom" , but to no success. I'd be thankful for a hint or two. I don't need the StackPanel to be a StackPanel, it can also be a DockPanel.
A StackPanel is not the correct Panel to use for your requirements as they do not provide the same layout and resizing capabilities as a Grid . Therefore, simply replace it with a Grid , give the majority of the space to the inner StackPanel and then the Frame will stick to the bottom.
<Grid>
<Grid.RowDefinitions>
<RowDefinition Height="*" />
<RowDefinition Height="Auto" />
</Grid.RowDefinitions>
<StackPanel>
//normal content
</StackPanel>
<Frame Grid.Row="1" />
</Grid>
You can find out more about the different WPF Panel s in the Panels Overview page on MSDN.
看起来更像是一个DockPanel的用例
<DockPanel>
<StackPanel>
<!--//normal content-->
</StackPanel>
<Frame DockPanel.Dock="Bottom"/> <!--// should stick to the bottom-->
</DockPanel>
According to MSDN docs about StackPanel
A StackPanel Arranges child elements into a single line that can be oriented horizontally or vertically.
So in your case, StackPanel is not the right control to use. If you want your control to be fixed at a particular position, you can use DockPanel and place your control inside it.
<DockPanel>
<Frame DockPanel.Dock="Bottom"/>
</DockPanel>
下一篇: 坚持StackPanel的底部