WPF学习之路(十一)布局
2024-08-25 13:18:03
布局
Canvas
基本面板,传统布局方式,支持与设备无关的坐标定位元素
<Border BorderThickness="" BorderBrush="Black" Margin="">
<Canvas>
<Button Canvas.Left="" Canvas.Top="" Content="Left=20,Top=50" />
<Button Canvas.Right="" Canvas.Bottom="" Content="Right=20,Bottom=50" />
</Canvas>
</Border>
效率高,适合矢量绘图
StackPanel
用于顺序垂直或水平排列子元素
<Grid>
<Grid.RowDefinitions>
<RowDefinition />
<RowDefinition />
</Grid.RowDefinitions>
<Grid.ColumnDefinitions>
<ColumnDefinition />
<ColumnDefinition />
</Grid.ColumnDefinitions>
<Border Grid.Row="" Grid.Column="" BorderThickness="" BorderBrush="Black" Margin="">
<StackPanel>
<Button Content="" />
<Button Content="" />
<Button Content="" />
<Button Content="" />
</StackPanel>
</Border>
<Border Grid.Row="" Grid.Column="" BorderThickness="" BorderBrush="Black" Margin="">
<StackPanel Orientation="Horizontal">
<Button Content="" />
<Button Content="" />
<Button Content="" />
<Button Content="" />
</StackPanel>
</Border>
<Border Grid.Row="" Grid.Column="" BorderThickness="" BorderBrush="Black" Margin="">
<StackPanel FlowDirection="RightToLeft">
<Button Content="" />
<Button Content="" />
<Button Content="" />
<Button Content="" />
</StackPanel>
</Border>
<Border Grid.Row="" Grid.Column="" BorderThickness="" BorderBrush="Black" Margin="">
<StackPanel Orientation="Horizontal" FlowDirection="RightToLeft">
<Button Content="" />
<Button Content="" />
<Button Content="" />
<Button Content="" />
</StackPanel>
</Border>
</Grid>
WrapPanel
与StackPanel类似,当没有空间放置子元素时会自动放到下一行或下一列
<Border BorderThickness="" BorderBrush="Black" Margin="">
<WrapPanel ItemHeight="">
<Button Content="" MinWidth="" />
<Button Content="" MinWidth="" />
<Button Content="" MinWidth="" />
<Button Content="" MinWidth="" />
</WrapPanel>
</Border>
布局会随着窗口大小的改变一起改变
DockPanel
将元素放到面板的某一个边上,拉伸元素填满高度或者宽度,可以设置是否填充剩余空间
<Grid>
<Grid.RowDefinitions>
<RowDefinition />
<RowDefinition />
</Grid.RowDefinitions>
<DockPanel Grid.Row="" Margin="">
<Button DockPanel.Dock="Left" Content="" />
<Button DockPanel.Dock="Top" Content="" />
<Button DockPanel.Dock="Right" Content="" />
<Button DockPanel.Dock="Bottom" Content="" />
<Button DockPanel.Dock="Left" Content="" />
<Button DockPanel.Dock="Top" Content="" />
<Button DockPanel.Dock="Right" Content="" />
<Button DockPanel.Dock="Bottom" Content="" />
</DockPanel>
<DockPanel Grid.Row="" Margin="" LastChildFill="False">
<Button DockPanel.Dock="Left" Content="" />
<Button DockPanel.Dock="Top" Content="" />
<Button DockPanel.Dock="Right" Content="" />
<Button DockPanel.Dock="Bottom" Content="" />
<Button DockPanel.Dock="Left" Content="" />
<Button DockPanel.Dock="Top" Content="" />
<Button DockPanel.Dock="Right" Content="" />
<Button DockPanel.Dock="Bottom" Content="" />
</DockPanel>
</Grid>
Grid
最常用且功能强大的布局(之前的实例中已经有过使用),允许在一个列表中放置子元素
常用属性 Column\Row\ColumnSpan\RowSpan
尺寸:绝对尺寸、自动尺寸、比例尺寸
<Grid Margin="">
<Grid.RowDefinitions>
<RowDefinition />
<RowDefinition />
<RowDefinition />
<RowDefinition />
</Grid.RowDefinitions>
<Grid Grid.Row="" Margin="">
<Grid.ColumnDefinitions>
<ColumnDefinition Width="" />
<ColumnDefinition Width="*" />
</Grid.ColumnDefinitions>
<Button Grid.Column="" Content="Width=100" />
<Button Grid.Column="" Content="Width=*" />
</Grid>
<Grid Grid.Row="" Margin="">
<Grid.ColumnDefinitions>
<ColumnDefinition Width="" />
<ColumnDefinition Width="*" />
<ColumnDefinition Width="*" />
<ColumnDefinition Width="*" />
</Grid.ColumnDefinitions>
<Button Grid.Column="" Content="Width=100" />
<Button Grid.Column="" Content="Width=*" />
<Button Grid.Column="" Content="Width=*" />
<Button Grid.Column="" Content="Width=*" />
</Grid>
<Grid Grid.Row="" Margin="">
<Grid.ColumnDefinitions>
<ColumnDefinition Width="" />
<ColumnDefinition Width="*" />
<ColumnDefinition Width="2*" />
<ColumnDefinition Width="*" />
</Grid.ColumnDefinitions>
<Button Grid.Column="" Content="Width=100" />
<Button Grid.Column="" Content="Width=*" />
<Button Grid.Column="" Content="Width=2*" />
<Button Grid.Column="" Content="Width=*" />
</Grid>
<Grid Grid.Row="" Margin="">
<Grid.ColumnDefinitions>
<ColumnDefinition Width="" />
<ColumnDefinition Width="*" />
<ColumnDefinition Width="2*" />
<ColumnDefinition Width="3*" />
</Grid.ColumnDefinitions>
<Button Grid.Column="" Content="Width=100" />
<Button Grid.Column="" Content="Width=*" />
<Button Grid.Column="" Content="Width=2*" />
<Button Grid.Column="" Content="Width=3*" />
</Grid>
</Grid>
IsSharedSizeScope
通过对SharedSizeGroup命名,相同名字的Grid的高度或者宽度可以设置为相同
<Grid Margin="" Grid.IsSharedSizeScope="True">
<Grid Grid.Row="" Margin="">
<Grid.ColumnDefinitions>
<ColumnDefinition Width="" SharedSizeGroup="a"/>
<ColumnDefinition Width="*" SharedSizeGroup="a"/>
</Grid.ColumnDefinitions>
...
</Grid>
<Grid Grid.Row="" Margin="">
<Grid.ColumnDefinitions>
<ColumnDefinition Width="" />
<ColumnDefinition Width="*" />
<ColumnDefinition Width="2*" SharedSizeGroup="a"/>
<ColumnDefinition Width="*" />
</Grid.ColumnDefinitions>
...
GridSplitter
可以通过鼠标键盘改变尺寸
<Grid Margin="" Grid.IsSharedSizeScope="True">
<Grid.RowDefinitions>
...
</Grid.RowDefinitions>
<GridSplitter Grid.Row="" HorizontalAlignment="Stretch" VerticalAlignment="Top" ShowsPreview="True" ResizeDirection="Rows" Height="3" Background="Black" />
<Grid Grid.Row="" Margin="">
<Grid.ColumnDefinitions>
...
</Grid.ColumnDefinitions>
<GridSplitter Grid.Column="" HorizontalAlignment="Left" VerticalAlignment="Stretch" ShowsPreview="True" Width="" Background="Black" />
...
</Grid> </Grid>
To be continue...
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