Grid Splitter and Alignment
<Window x:Class="LayoutPanels.SplitWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="SplitWindow" Height="300" Width="300" > <Grid> <Grid.RowDefinitions> <RowDefinition></RowDefinition> <RowDefinition></RowDefinition> </Grid.RowDefinitions> <Grid.ColumnDefinitions> <ColumnDefinition MinWidth="100"></ColumnDefinition> <ColumnDefinition Width="Auto"></ColumnDefinition> <ColumnDefinition MinWidth="50"></ColumnDefinition> </Grid.ColumnDefinitions> <Button Grid.Row="0" Grid.Column="0" Margin="3">Left</Button> <Button Grid.Row="0" Grid.Column="2" Margin="3">Right</Button> <Button Grid.Row="1" Grid.Column="0" Margin="3">Left</Button> <Button Grid.Row="1" Grid.Column="2" Margin="3">Right</Button> <GridSplitter Grid.Row="0" Grid.Column="1" Grid.RowSpan="2" Width="3" VerticalAlignment="Stretch" HorizontalAlignment="Center" ShowsPreview="False"></GridSplitter> </Grid> </Window>