ContentPresenter.ContentTemplate Propiedad

Definición

Espacio de nombres:

System.Windows.Controls

Ensamblado:

PresentationFramework.dll

Obtiene o establece la plantilla utilizada para mostrar el contenido del control.

public:
 property System::Windows::DataTemplate ^ ContentTemplate { System::Windows::DataTemplate ^ get(); void set(System::Windows::DataTemplate ^ value); };

public System.Windows.DataTemplate ContentTemplate { get; set; }

member this.ContentTemplate : System.Windows.DataTemplate with get, set

Public Property ContentTemplate As DataTemplate

Valor de propiedad

DataTemplate

DataTemplate que define la visualización del contenido. De manera predeterminada, es null.

Ejemplos

En el ejemplo siguiente se muestra un estilo para el ComboBox control :

<Style x:Key="{x:Type ComboBox}"
       TargetType="{x:Type ComboBox}">
  <Setter Property="SnapsToDevicePixels"
          Value="true" />
  <Setter Property="OverridesDefaultStyle"
          Value="true" />
  <Setter Property="ScrollViewer.HorizontalScrollBarVisibility"
          Value="Auto" />
  <Setter Property="ScrollViewer.VerticalScrollBarVisibility"
          Value="Auto" />
  <Setter Property="ScrollViewer.CanContentScroll"
          Value="true" />
  <Setter Property="MinWidth"
          Value="120" />
  <Setter Property="MinHeight"
          Value="20" />
  <Setter Property="Template">
    <Setter.Value>
      <ControlTemplate TargetType="{x:Type ComboBox}">
        <Grid>
          <VisualStateManager.VisualStateGroups>
            <VisualStateGroup x:Name="CommonStates">
              <VisualState x:Name="Normal" />
              <VisualState x:Name="MouseOver" />
              <VisualState x:Name="Disabled">
                <Storyboard>
                  <ColorAnimationUsingKeyFrames Storyboard.TargetName="PART_EditableTextBox"
                                                Storyboard.TargetProperty="(TextElement.Foreground).
                      (SolidColorBrush.Color)">
                    <EasingColorKeyFrame KeyTime="0"
                                         Value="{StaticResource DisabledForegroundColor}" />
                  </ColorAnimationUsingKeyFrames>
                </Storyboard>
              </VisualState>
            </VisualStateGroup>
            <VisualStateGroup x:Name="EditStates">
              <VisualState x:Name="Editable">
                <Storyboard>
                  <ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="(UIElement.Visibility)"
                                                 Storyboard.TargetName="PART_EditableTextBox">
                    <DiscreteObjectKeyFrame KeyTime="0"
                                            Value="{x:Static Visibility.Visible}" />
                  </ObjectAnimationUsingKeyFrames>
                  <ObjectAnimationUsingKeyFrames
                      Storyboard.TargetProperty="(UIElement.Visibility)"
                                                 Storyboard.TargetName="ContentSite">
                    <DiscreteObjectKeyFrame KeyTime="0"
                                            Value="{x:Static Visibility.Hidden}" />
                  </ObjectAnimationUsingKeyFrames>
                </Storyboard>
              </VisualState>
              <VisualState x:Name="Uneditable" />
            </VisualStateGroup>
          </VisualStateManager.VisualStateGroups>
          <ToggleButton x:Name="ToggleButton"
                        Template="{StaticResource ComboBoxToggleButton}"
                        Grid.Column="2"
                        Focusable="false"
                        ClickMode="Press"
                        IsChecked="{Binding IsDropDownOpen, Mode=TwoWay, 
              RelativeSource={RelativeSource TemplatedParent}}"/>
          <ContentPresenter x:Name="ContentSite"
                            IsHitTestVisible="False"
                            Content="{TemplateBinding SelectionBoxItem}"
                            ContentTemplate="{TemplateBinding SelectionBoxItemTemplate}"
                            ContentTemplateSelector="{TemplateBinding ItemTemplateSelector}"
                            Margin="3,3,23,3"
                            VerticalAlignment="Stretch"
                            HorizontalAlignment="Left">
          </ContentPresenter>
          <TextBox x:Name="PART_EditableTextBox"
                   Style="{x:Null}"
                   Template="{StaticResource ComboBoxTextBox}"
                   HorizontalAlignment="Left"
                   VerticalAlignment="Bottom"
                   Margin="3,3,23,3"
                   Focusable="True"
                   Background="Transparent"
                   Visibility="Hidden"
                   IsReadOnly="{TemplateBinding IsReadOnly}" />
          <Popup x:Name="Popup"
                 Placement="Bottom"
                 IsOpen="{TemplateBinding IsDropDownOpen}"
                 AllowsTransparency="True"
                 Focusable="False"
                 PopupAnimation="Slide">
            <Grid x:Name="DropDown"
                  SnapsToDevicePixels="True"
                  MinWidth="{TemplateBinding ActualWidth}"
                  MaxHeight="{TemplateBinding MaxDropDownHeight}">
              <Border x:Name="DropDownBorder"
                      BorderThickness="1">
                <Border.BorderBrush>
                  <SolidColorBrush Color="{DynamicResource BorderMediumColor}" />
                </Border.BorderBrush>
                <Border.Background>
                  <SolidColorBrush Color="{DynamicResource ControlLightColor}" />
                </Border.Background>
              </Border>
              <ScrollViewer Margin="4,6,4,6"
                            SnapsToDevicePixels="True">
                <StackPanel IsItemsHost="True"
                            KeyboardNavigation.DirectionalNavigation="Contained" />
              </ScrollViewer>
            </Grid>
          </Popup>
        </Grid>
        <ControlTemplate.Triggers>
          <Trigger Property="HasItems"
                   Value="false">
            <Setter TargetName="DropDownBorder"
                    Property="MinHeight"
                    Value="95" />
          </Trigger>
          <Trigger Property="IsGrouping"
                   Value="true">
            <Setter Property="ScrollViewer.CanContentScroll"
                    Value="false" />
          </Trigger>
          <Trigger SourceName="Popup"
                   Property="AllowsTransparency"
                   Value="true">
            <Setter TargetName="DropDownBorder"
                    Property="CornerRadius"
                    Value="4" />
            <Setter TargetName="DropDownBorder"
                    Property="Margin"
                    Value="0,2,0,0" />
          </Trigger>
        </ControlTemplate.Triggers>
      </ControlTemplate>
    </Setter.Value>
  </Setter>
</Style>

Comentarios

Uso de texto XAML

Para obtener información de XAML, consulta TemplateBinding Markup Extension.

Información sobre propiedades de dependencia

Campo identificador	ContentTemplateProperty
Propiedades de metadatos establecidas en true	AffectsMeasure