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RelativeSource.TemplatedParent Property

Gets a static value that is used to return a RelativeSource constructed for the TemplatedParent mode.

Namespace:  System.Windows.Data
Assembly:  PresentationFramework (in PresentationFramework.dll)

public static RelativeSource TemplatedParent { get; }
For XAML information, see RelativeSource MarkupExtension.

Three of the four RelativeSourceMode values, PreviousData, Self, or TemplatedParent, can produce a RelativeSource that is wholly static, containing no unique private values. All uses of the static property can share the same object, eliminating the need to allocate separate objects for each use. Therefore, using the static property reduces memory usage.

The following example shows the Style definition of a custom control called NumericUpDown. The Text property of the TextBlock is bound to the Value of the object that is the TemplatedParent, which is the NumericUpDown control that this Style is applied to in this case.

<!--ControlTemplate for NumericUpDown that inherits from
<Style TargetType="{x:Type local:NumericUpDown}">
  <Setter Property="HorizontalAlignment" Value="Center"/>
  <Setter Property="VerticalAlignment" Value="Center"/>
  <Setter Property="Template">
      <ControlTemplate TargetType="{x:Type local:NumericUpDown}">
        <Grid Margin="3">

          <Border BorderThickness="1" BorderBrush="Gray" 
                  Margin="2" Grid.RowSpan="2" 
                  VerticalAlignment="Center" HorizontalAlignment="Stretch">

            <TextBlock Text="{Binding RelativeSource={RelativeSource TemplatedParent}, Path=Value}" 
                       Width="60" TextAlignment="Right" Padding="5"/>

          <RepeatButton Command="{x:Static local:NumericUpDown.IncreaseCommand}"  
                        Grid.Column="1" Grid.Row="0">Up</RepeatButton>

          <RepeatButton Command="{x:Static local:NumericUpDown.DecreaseCommand}"
                        Grid.Column="1" Grid.Row="1">Down</RepeatButton>



For the complete sample, see NumericUpDown Custom Control with Theme and UI Automation Support Sample.

Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5, 3.0