<Window x:Class="LayoutPanels.SharedSizeGroup"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="SharedSizeGroup" Height="300" Width="380">
<Grid Grid.IsSharedSizeScope="True" Margin="3">
<Grid.RowDefinitions>
<RowDefinition></RowDefinition>
<RowDefinition Height="Auto"></RowDefinition>
<RowDefinition></RowDefinition>
</Grid.RowDefinitions>
<Grid Grid.Row="0" Margin="3" Background="LightYellow" ShowGridLines="True">
<Grid.ColumnDefinitions>
<ColumnDefinition Width="Auto" SharedSizeGroup="TextLabel"></ColumnDefinition>
<ColumnDefinition Width="Auto"></ColumnDefinition>
<ColumnDefinition></ColumnDefinition>
</Grid.ColumnDefinitions>
<Label Margin="5">A very long bit of text</Label>
<GridSplitter Grid.Column="1" VerticalAlignment="Stretch" HorizontalAlignment="Center" Width="10"></GridSplitter>
<Label Grid.Column="1" Margin="5">More text</Label>
<TextBox Grid.Column="2" Margin="5">A text box</TextBox>
</Grid>
</Grid>
</Window>
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