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POExpander not stretchable
 

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    <p>I have a WPF application, and I use expanders. When I make the expander collapse, it keeps occupying the space. Is it possible to make it free the space, in xaml?</p> <p>Here is some code:</p> <pre><code> &lt;Grid&gt; &lt;Grid.RowDefinitions&gt; &lt;RowDefinition Height="Auto"&gt;&lt;/RowDefinition&gt; &lt;RowDefinition Height="3*"&gt;&lt;/RowDefinition&gt; &lt;RowDefinition Height="4*"&gt;&lt;/RowDefinition&gt; &lt;RowDefinition Height="2*"&gt;&lt;/RowDefinition&gt; &lt;/Grid.RowDefinitions&gt; &lt;wpfx:BusyIndicator Name="BusyBar" IsBusy="{Binding IsBusy}" BusyContent="Uploading enrollment data..." Grid.Row="0" /&gt; &lt;Expander Grid.Row="1" IsExpanded="True" Header="Enrollment Files Upload"&gt; &lt;Grid&gt; &lt;Grid.RowDefinitions&gt; &lt;RowDefinition Height="Auto"&gt;&lt;/RowDefinition&gt; &lt;RowDefinition Height="*"&gt;&lt;/RowDefinition&gt; &lt;/Grid.RowDefinitions&gt; &lt;StackPanel Orientation="Horizontal" Margin="3, 10" Grid.Row="0"&gt; &lt;TextBlock Text="Agencies:" VerticalAlignment="Center" /&gt; &lt;ComboBox x:Name="Agencies" DisplayMemberPath="PrimaryName" SelectedValuePath="AgentId" SelectedItem="{Binding SelectedAgency}" MinWidth="100" Margin="3,0,10,0" VerticalAlignment="Center" /&gt; &lt;TextBlock Text="Worksheet:" VerticalAlignment="Center" /&gt; &lt;TextBox x:Name="WorkSheetName" VerticalAlignment="Center" Margin="3,0,10,0" /&gt; &lt;Button x:Name="UploadFile" MinWidth="70" Margin="2" HorizontalAlignment="Center" VerticalAlignment="Center" attachProperties:ButtonIcon.Icon="Resources/Images/add.png" Content="Upload File" IsEnabled="{Binding EnrollmentFiles.Any}" Style="{StaticResource ImageButtonStyle}" /&gt; &lt;Button x:Name="EnrollmentDelete" MinWidth="70" Margin="2" HorizontalAlignment="Center" VerticalAlignment="Center" attachProperties:ButtonIcon.Icon="Resources/Images/Remove.png" Content="Delete Enrollment" IsEnabled="{Binding EnrollmentFiles.Any}" Style="{StaticResource ImageButtonStyle}" /&gt; &lt;/StackPanel&gt; &lt;c1:C1FlexGrid x:Name="EnrollmentFiles" Grid.Row="1" AutoGenerateColumns="False" IsReadOnly="True" Width="Auto" ItemsSource="{Binding Path=EnrollmentFiles}" SelectionMode="Row" KeepCurrentVisible="True" SelectedItem="{Binding Path=SelectedEnrollmentFile, Mode=TwoWay}"&gt; ... &lt;/c1:C1FlexGrid&gt; &lt;/Grid&gt; &lt;/Expander&gt; &lt;Expander Grid.Row="2" IsExpanded="True" Header="First Data Entry Records"&gt; &lt;DataGrid x:Name="FirstEntries" AutoGenerateColumns="False" BaseControls:DataGridExtension.Columns="{Binding FirstEntryGridColumns}" CanUserAddRows="False" IsReadOnly="True" SelectedItem="{Binding Path=SelectedFirstEntry}"&gt; ... &lt;/DataGrid&gt; &lt;/Expander&gt; &lt;Expander Grid.Row="3" IsExpanded="True" Header="Enrollment Files Upload"&gt; &lt;Grid&gt; &lt;Grid.RowDefinitions&gt; &lt;RowDefinition Height="Auto"&gt;&lt;/RowDefinition&gt; &lt;RowDefinition Height="Auto"&gt;&lt;/RowDefinition&gt; &lt;RowDefinition&gt;&lt;/RowDefinition&gt; &lt;/Grid.RowDefinitions&gt; &lt;Grid.ColumnDefinitions&gt; &lt;ColumnDefinition Width="Auto"&gt;&lt;/ColumnDefinition&gt; &lt;ColumnDefinition Width="Auto"&gt;&lt;/ColumnDefinition&gt; &lt;ColumnDefinition Width="Auto"&gt;&lt;/ColumnDefinition&gt; &lt;/Grid.ColumnDefinitions&gt; &lt;StackPanel Orientation="Horizontal" Grid.Row="0" Grid.ColumnSpan="3" Margin="3,10"&gt; ... &lt;/StackPanel&gt; &lt;TextBlock x:Name="SelectedFirstEntry_NameOnAccount" Grid.Row="1" Grid.Column="0" /&gt; &lt;TextBlock x:Name="SelectedFirstEntry_AccountNo" Grid.Row="1" Grid.Column="1" Margin="3,0" /&gt; &lt;TextBlock x:Name="SelectedFirstEntry_MeterNo" Grid.Row="1" Grid.Column="2" Margin="3,0"/&gt; &lt;DataGrid x:Name="Findings" Grid.Row="2" AutoGenerateColumns="False" BaseControls:DataGridExtension.Columns="{Binding FindingsGridColumns}" CanUserAddRows="False"&gt; ... &lt;/DataGrid&gt; &lt;/Grid&gt; &lt;/Expander&gt; &lt;/Grid&gt; </code></pre> <p>Thanks</p>
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    1. USDavid Shochet
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    1. COCan you provide us a little code ?
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    2. COJust added it .
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