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Stili e modelli di Frame

In questo argomento vengono descritti gli stili e i modelli per il controllo Frame. È possibile modificare l'oggetto ControlTemplate predefinito per conferire al controllo un aspetto univoco. Per ulteriori informazioni, vedere Personalizzazione dell'aspetto di un controllo esistente mediante la creazione di un oggetto ControlTemplate.

Parti di frame

Nella tabella seguente sono elencate le parti denominate del controllo Frame.

Parte

Tipo

Descrizione

PART_FrameCP

ContentPresenter

Area del contenuto.

Stati di frame

Nella tabella seguente sono elencati gli stati visivi per il controllo Frame.

Nome VisualState

Nome VisualStateGroup

Descrizione

Valid

ValidationStates

Il controllo utilizza la classe Validation e la proprietà associata Validation.HasError è false.

InvalidFocused

ValidationStates

La proprietà associata Validation.HasError è true e il controllo ha lo stato attivo.

InvalidUnfocused

ValidationStates

La proprietà associata Validation.HasError è true e il controllo non ha lo stato attivo.

Esempio di ControlTemplate del controllo Frame

Nell'esempio seguente viene illustrato come definire un oggetto ControlTemplate per il controllo Frame.


<!-- Back/Forward Button Style -->

<Style x:Key="FrameButtonStyle"
       TargetType="{x:Type Button}">
  <Setter Property="OverridesDefaultStyle"
          Value="true" />
  <Setter Property="Command"
          Value="NavigationCommands.BrowseBack" />
  <Setter Property="Focusable"
          Value="false" />
  <Setter Property="Template">
    <Setter.Value>
      <ControlTemplate TargetType="{x:Type Button}">
        <Grid>
          <VisualStateManager.VisualStateGroups>
            <VisualStateGroup x:Name="CommonStates">
              <VisualState x:Name="Normal" />
              <VisualState x:Name="MouseOver">
                <Storyboard>
                  <ColorAnimationUsingKeyFrames Storyboard.TargetName="Ellipse"
                                                Storyboard.TargetProperty="(Shape.Fill).
                      (GradientBrush.GradientStops)[1].(GradientStop.Color)">
                    <EasingColorKeyFrame KeyTime="0"
                                         Value="{StaticResource ControlMouseOverColor}" />
                  </ColorAnimationUsingKeyFrames>
                </Storyboard>
              </VisualState>
              <VisualState x:Name="Pressed">
                <Storyboard>
                  <ColorAnimationUsingKeyFrames Storyboard.TargetName="Ellipse"
                                                Storyboard.TargetProperty="(Shape.Fill).
                      (GradientBrush.GradientStops)[1].(GradientStop.Color)">
                    <EasingColorKeyFrame KeyTime="0"
                                         Value="{StaticResource ControlPressedColor}" />
                  </ColorAnimationUsingKeyFrames>
                </Storyboard>
              </VisualState>
              <VisualState x:Name="Disabled">
                <Storyboard>
                  <ColorAnimationUsingKeyFrames Storyboard.TargetName="Ellipse"
                                                Storyboard.TargetProperty="(Shape.Fill).
                      (GradientBrush.GradientStops)[1].(GradientStop.Color)">
                    <EasingColorKeyFrame KeyTime="0"
                                         Value="{StaticResource DisabledControlDarkColor}" />
                  </ColorAnimationUsingKeyFrames>
                  <ColorAnimationUsingKeyFrames Storyboard.TargetName="Arrow"
                                                Storyboard.TargetProperty="(Shape.Fill).
                      (SolidColorBrush.Color)">
                    <EasingColorKeyFrame KeyTime="0"
                                         Value="{StaticResource DisabledForegroundColor}" />
                  </ColorAnimationUsingKeyFrames>
                </Storyboard>
              </VisualState>
            </VisualStateGroup>
          </VisualStateManager.VisualStateGroups>
          <Ellipse x:Name="Ellipse"
                   StrokeThickness="1"
                   Width="16"
                   Height="16">
            <Ellipse.Stroke>
              <SolidColorBrush Color="{DynamicResource NavButtonFrameColor}" />
            </Ellipse.Stroke>
            <Ellipse.Fill>
              <LinearGradientBrush StartPoint="0,0"
                                   EndPoint="0,1">
                <LinearGradientBrush.GradientStops>
                  <GradientStopCollection>
                    <GradientStop Color="{DynamicResource ControlLightColor}" />
                    <GradientStop Color="{DynamicResource ControlMediumColor}"
                                  Offset="1.0" />
                  </GradientStopCollection>
                </LinearGradientBrush.GradientStops>
              </LinearGradientBrush>
            </Ellipse.Fill>
          </Ellipse>

          <Path x:Name="Arrow"
                Margin="0,0,2,0"
                HorizontalAlignment="Center"
                VerticalAlignment="Center"
                Data="M 4 0 L 0 4 L 4 8 Z" >
            <Path.Fill>
                <SolidColorBrush Color="{DynamicResource GlyphColor}"/>
            </Path.Fill>
          </Path>
        </Grid>
        <ControlTemplate.Triggers>
          <Trigger Property="Command"
                   Value="{x:Static NavigationCommands.BrowseForward}">
            <Setter TargetName="Arrow"
                    Property="Data"
                    Value="M 0 0 L 4 4 L 0 8 z" />
            <Setter TargetName="Arrow"
                    Property="Margin"
                    Value="2,0,0,0" />
          </Trigger>
        </ControlTemplate.Triggers>
      </ControlTemplate>
    </Setter.Value>
  </Setter>
</Style>

<!-- Frame Menu Style -->

<Style x:Key="FrameMenu"
       TargetType="{x:Type Menu}">
  <Setter Property="OverridesDefaultStyle"
          Value="true" />
  <Setter Property="KeyboardNavigation.TabNavigation"
          Value="None" />
  <Setter Property="IsMainMenu"
          Value="false" />
  <Setter Property="Template">
    <Setter.Value>
      <ControlTemplate TargetType="{x:Type Menu}">
        <DockPanel IsItemsHost="true" />
      </ControlTemplate>
    </Setter.Value>
  </Setter>
</Style>

<!-- Frame Menu Header Style -->

<Style x:Key="FrameHeaderMenuItem"
       TargetType="{x:Type MenuItem}">
  <Setter Property="OverridesDefaultStyle"
          Value="true" />
  <Setter Property="Template">
    <Setter.Value>
      <ControlTemplate TargetType="{x:Type MenuItem}">
        <Grid>
          <Popup x:Name="PART_Popup"
                 Placement="Bottom"
                 VerticalOffset="2"
                 IsOpen="{TemplateBinding IsSubmenuOpen}"
                 AllowsTransparency="True"
                 Focusable="False"
                 PopupAnimation="Fade">
            <Border x:Name="SubMenuBorder"
                    BorderThickness="1"
                    Background="{DynamicResource MenuPopupBrush}">
              <Border.BorderBrush>
                <SolidColorBrush Color="{StaticResource BorderMediumColor}" />
              </Border.BorderBrush>
              <StackPanel IsItemsHost="true"
                          Margin="2"
                          KeyboardNavigation.TabNavigation="Cycle"
                          KeyboardNavigation.DirectionalNavigation="Cycle" />
            </Border>
          </Popup>

          <Grid x:Name="Panel"
                Width="24"
                Background="Transparent"
                HorizontalAlignment="Right">

            <Border Visibility="Hidden"
                    x:Name="HighlightBorder"
                    BorderThickness="1"
                    CornerRadius="2">
              <Border.BorderBrush>
                <LinearGradientBrush StartPoint="0,0"
                                     EndPoint="0,1">
                  <LinearGradientBrush.GradientStops>
                    <GradientStopCollection>
                      <GradientStop Color="{DynamicResource BorderLightColor}"
                                    Offset="0.0" />
                      <GradientStop Color="{DynamicResource BorderDarkColor}"
                                    Offset="1.0" />
                    </GradientStopCollection>
                  </LinearGradientBrush.GradientStops>
                </LinearGradientBrush>

              </Border.BorderBrush>
              <Border.Background>
                <LinearGradientBrush StartPoint="0,0"
                                     EndPoint="0,1">
                  <LinearGradientBrush.GradientStops>
                    <GradientStopCollection>
                      <GradientStop Color="{DynamicResource ControlLightColor}" />
                      <GradientStop Color="{DynamicResource ControlMouseOverColor}"
                                    Offset="1.0" />
                    </GradientStopCollection>
                  </LinearGradientBrush.GradientStops>
                </LinearGradientBrush>

              </Border.Background>
            </Border>
            <Path x:Name="Arrow"
                  SnapsToDevicePixels="false"
                  HorizontalAlignment="Right"
                  VerticalAlignment="Center"
                  Margin="0,2,4,0"
                  StrokeLineJoin="Round"
                  Data="M 0 0 L 4 4 L 8 0 Z">
              <Path.Stroke>
                <SolidColorBrush Color="{DynamicResource GlyphColor}" />
              </Path.Stroke>
            </Path>
          </Grid>
        </Grid>
        <ControlTemplate.Triggers>
          <Trigger Property="IsHighlighted"
                   Value="true">
            <Setter TargetName="HighlightBorder"
                    Property="Visibility"
                    Value="Visible" />
          </Trigger>
          <Trigger Property="IsSubmenuOpen"
                   Value="true">
            <Setter TargetName="HighlightBorder"
                    Property="BorderBrush">
              <Setter.Value>
                <LinearGradientBrush StartPoint="0,0"
                                     EndPoint="0,1">
                  <GradientBrush.GradientStops>
                    <GradientStopCollection>
                      <GradientStop Color="{DynamicResource BorderDarkColor}"
                                    Offset="0.0" />
                      <GradientStop Color="{DynamicResource BorderMediumColor}"
                                    Offset="1.0" />
                    </GradientStopCollection>
                  </GradientBrush.GradientStops>
                </LinearGradientBrush>
              </Setter.Value>
            </Setter>
            <Setter Property="Background"
                    TargetName="HighlightBorder">
              <Setter.Value>

                <LinearGradientBrush EndPoint="0,1"
                                     StartPoint="0,0">
                  <GradientStop Color="{DynamicResource ControlLightColor}"
                                Offset="0" />
                  <GradientStop Color="{DynamicResource ControlPressedColor}"
                                Offset="0.984" />
                </LinearGradientBrush>
              </Setter.Value>
            </Setter>
          </Trigger>
          <Trigger Property="IsEnabled"
                   Value="false">
            <Setter TargetName="Arrow"
                    Property="Fill">
              <Setter.Value>
                <SolidColorBrush Color="{DynamicResource DisabledForegroundColor}" />
              </Setter.Value>
            </Setter>
          </Trigger>
        </ControlTemplate.Triggers>
      </ControlTemplate>
    </Setter.Value>
  </Setter>
</Style>

<!-- Frame Menu Item Style -->

<Style x:Key="FrameSubmenuItem"
       TargetType="{x:Type MenuItem}">
  <Setter Property="OverridesDefaultStyle"
          Value="true" />
  <Setter Property="Header"
          Value="{Binding (JournalEntry.Name)}" />
  <Setter Property="Command"
          Value="NavigationCommands.NavigateJournal" />
  <Setter Property="CommandTarget"
          Value="{Binding TemplatedParent, 
    RelativeSource={RelativeSource AncestorType={x:Type Menu}}}" />
  <Setter Property="CommandParameter"
          Value="{Binding RelativeSource={RelativeSource Self}}" />
  <Setter Property="JournalEntryUnifiedViewConverter.JournalEntryPosition"
          Value="{Binding (JournalEntryUnifiedViewConverter.JournalEntryPosition)}" />
  <Setter Property="Template">
    <Setter.Value>
      <ControlTemplate TargetType="{x:Type MenuItem}">
        <Border BorderThickness="1"
                Name="Border">
          <Grid x:Name="Panel"
                Background="Transparent"
                SnapsToDevicePixels="true"
                Height="35"
                Width="250">
            <Path x:Name="Glyph"
                  SnapsToDevicePixels="false"
                  Margin="7,5"
                  Width="10"
                  Height="10"
                  HorizontalAlignment="Left"
                  StrokeStartLineCap="Triangle"
                  StrokeEndLineCap="Triangle"
                  StrokeThickness="2">
              <Path.Stroke>
                <SolidColorBrush Color="{DynamicResource GlyphColor}" />
              </Path.Stroke>
            </Path>

            <ContentPresenter ContentSource="Header"
                              Margin="24,5,50,5" />
          </Grid>
        </Border>
        <ControlTemplate.Triggers>
          <Trigger Property="JournalEntryUnifiedViewConverter.JournalEntryPosition"
                   Value="Current">
            <Setter TargetName="Glyph"
                    Property="Data"
                    Value="M 0,5 L 2.5,8 L 7,3 " />
          </Trigger>
          <Trigger Property="IsHighlighted"
                   Value="true">
            <Setter Property="Background"
                    TargetName="Border">
              <Setter.Value>
                <LinearGradientBrush EndPoint="0.5,1"
                                     StartPoint="0.5,0">
                  <GradientStop Color="Transparent"
                                Offset="0" />
                  <GradientStop Color="{DynamicResource ControlMouseOverColor}"
                                Offset="1" />
                </LinearGradientBrush>
              </Setter.Value>
            </Setter>
            <Setter Property="BorderBrush"
                    TargetName="Border">
              <Setter.Value>
                <LinearGradientBrush EndPoint="0.5,1"
                                     StartPoint="0.5,0">
                  <GradientStop Color="{DynamicResource BorderMediumColor}"
                                Offset="0" />
                  <GradientStop Color="Transparent"
                                Offset="1" />
                </LinearGradientBrush>
              </Setter.Value>
            </Setter>
          </Trigger>
          <MultiTrigger>
            <MultiTrigger.Conditions>
              <Condition Property="IsHighlighted"
                         Value="true" />
              <Condition Property="JournalEntryUnifiedViewConverter.JournalEntryPosition"
                         Value="Forward" />
            </MultiTrigger.Conditions>
            <Setter TargetName="Glyph"
                    Property="Data"
                    Value="M 3 1 L 7 5 L 3 9 z" />
            <Setter TargetName="Glyph"
                    Property="Stroke"
                    Value="{x:Null}" />
            <Setter TargetName="Glyph"
                    Property="Fill">
              <Setter.Value>
                <SolidColorBrush Color="{StaticResource GlyphColor}" />
              </Setter.Value>
            </Setter>
          </MultiTrigger>
          <MultiTrigger>
            <MultiTrigger.Conditions>
              <Condition Property="IsHighlighted"
                         Value="true" />
              <Condition Property="JournalEntryUnifiedViewConverter.JournalEntryPosition"
                         Value="Back" />
            </MultiTrigger.Conditions>
            <Setter TargetName="Glyph"
                    Property="Data"
                    Value="M 7 1 L 3 5 L 7 9 z" />
            <Setter TargetName="Glyph"
                    Property="Stroke"
                    Value="{x:Null}" />
            <Setter TargetName="Glyph"
                    Property="Fill">
              <Setter.Value>
                <SolidColorBrush Color="{StaticResource GlyphColor}" />
              </Setter.Value>
            </Setter>
          </MultiTrigger>
        </ControlTemplate.Triggers>
      </ControlTemplate>
    </Setter.Value>
  </Setter>
</Style>

<!-- Merges Back and Forward Navigation Stacks -->

<JournalEntryUnifiedViewConverter x:Key="JournalEntryUnifiedViewConverter" />

<!-- SimpleStyles: Frame -->

<Style x:Key="{x:Type Frame}"
       TargetType="{x:Type Frame}">
  <Setter Property="SnapsToDevicePixels"
          Value="true" />
  <Setter Property="Template">
    <Setter.Value>
      <ControlTemplate TargetType="{x:Type Frame}">
        <DockPanel>
          <Border DockPanel.Dock="Top"
                  Height="22"
                  BorderThickness="1">
            <Border.BorderBrush>
              <LinearGradientBrush EndPoint="0.5,1"
                                   StartPoint="0.5,0">
                <GradientStop Color="{DynamicResource BorderLightColor}"
                              Offset="0" />
                <GradientStop Color="{DynamicResource BorderDarkColor}"
                              Offset="1" />
              </LinearGradientBrush>
            </Border.BorderBrush>
            <Grid>
              <Grid.Background>

                <LinearGradientBrush StartPoint="0,0"
                                     EndPoint="0,1">
                  <LinearGradientBrush.GradientStops>
                    <GradientStopCollection>
                      <GradientStop Color="{DynamicResource ControlLightColor}"
                                    Offset="0.0" />
                      <GradientStop Color="{DynamicResource ControlMediumColor}"
                                    Offset="1.0" />
                    </GradientStopCollection>
                  </LinearGradientBrush.GradientStops>
                </LinearGradientBrush>

              </Grid.Background>
              <Grid.ColumnDefinitions>
                <ColumnDefinition Width="Auto" />
                <ColumnDefinition Width="Auto" />
                <ColumnDefinition Width="16" />
                <ColumnDefinition Width="*" />
              </Grid.ColumnDefinitions>

              <Menu x:Name="NavMenu"
                    Grid.ColumnSpan="3"
                    Height="16"
                    Margin="1,0,0,0"
                    VerticalAlignment="Center"
                    Style="{StaticResource FrameMenu}">
                <MenuItem Style="{StaticResource FrameHeaderMenuItem}"
                          ItemContainerStyle="{StaticResource FrameSubmenuItem}"
                          IsSubmenuOpen="{Binding (MenuItem.IsSubmenuOpen), 
                  Mode=TwoWay, RelativeSource={RelativeSource TemplatedParent}}">
                  <MenuItem.ItemsSource>
                    <MultiBinding Converter="{StaticResource JournalEntryUnifiedViewConverter}">
                      <Binding RelativeSource="{RelativeSource TemplatedParent}"
                               Path="BackStack" />
                      <Binding RelativeSource="{RelativeSource TemplatedParent}"
                               Path="ForwardStack" />
                    </MultiBinding>
                  </MenuItem.ItemsSource>
                </MenuItem>
              </Menu>

              <Path Grid.Column="0"
                    SnapsToDevicePixels="false"
                    IsHitTestVisible="false"
                    Margin="2,1.5,0,1.5"
                    Grid.ColumnSpan="3"
                    StrokeThickness="1"
                    HorizontalAlignment="Left"
                    VerticalAlignment="Center"
                    Data="M15,14 Q18,12.9 20.9,14 A8.3,8.3,0,0,0,35.7,8.7 A8.3,8.3,0,0,0,
                    25.2,0.6 Q18, 3.3 10.8,0.6 A8.3,8.3,0,0,0,0.3,8.7 A8.3,8.3,0,0,0,15,14 z"
                    Stroke="{x:Null}">
                <Path.Fill>
                  <LinearGradientBrush EndPoint="0.5,1"
                                       StartPoint="0.5,0">
                    <GradientStop Color="{DynamicResource ControlMediumColor}"
                                  Offset="0" />
                    <GradientStop Color="{DynamicResource ControlDarkColor}"
                                  Offset="1" />
                  </LinearGradientBrush>
                </Path.Fill>
              </Path>
              <Button Style="{StaticResource FrameButtonStyle}"
                      Command="NavigationCommands.BrowseBack"
                      Content="M 4 0 L 0 4 L 4 8 Z"
                      Margin="2.7,1.5,1.3,1.5"
                      Grid.Column="0" />
              <Button Style="{StaticResource FrameButtonStyle}"
                      Command="NavigationCommands.BrowseForward"
                      Content="M 4 0 L 0 4 L 4 8 Z"
                      Margin="1.3,1.5,0,1.5"
                      Grid.Column="1" />
            </Grid>
          </Border>
          <Border BorderThickness="1">
            <Border.BorderBrush>
              <SolidColorBrush Color="{DynamicResource BorderMediumColor}" />
            </Border.BorderBrush>
            <ContentPresenter x:Name="PART_FrameCP"
                              Height="458"
                              Width="640" />
          </Border>
        </DockPanel>
        <ControlTemplate.Triggers>
          <MultiTrigger>
            <MultiTrigger.Conditions>
              <Condition Property="CanGoForward"
                         Value="false" />
              <Condition Property="CanGoBack"
                         Value="false" />
            </MultiTrigger.Conditions>
            <Setter TargetName="NavMenu"
                    Property="IsEnabled"
                    Value="false" />
          </MultiTrigger>
        </ControlTemplate.Triggers>
      </ControlTemplate>
    </Setter.Value>
  </Setter>
</Style>

Nell'esempio precedente vengono utilizzate una o più delle risorse seguenti.

<!--Control colors.-->
<Color x:Key="WindowColor">#FFE8EDF9</Color>
<Color x:Key="ContentAreaColorLight">#FFC5CBF9</Color>
<Color x:Key="ContentAreaColorDark">#FF7381F9</Color>

<Color x:Key="DisabledControlLightColor">#FFE8EDF9</Color>
<Color x:Key="DisabledControlDarkColor">#FFC5CBF9</Color>
<Color x:Key="DisabledForegroundColor">#FF888888</Color>

<Color x:Key="SelectedBackgroundColor">#FFC5CBF9</Color>
<Color x:Key="SelectedUnfocusedColor">#FFDDDDDD</Color>

<Color x:Key="ControlLightColor">White</Color>
<Color x:Key="ControlMediumColor">#FF7381F9</Color>
<Color x:Key="ControlDarkColor">#FF211AA9</Color>

<Color x:Key="ControlMouseOverColor">#FF3843C4</Color>
<Color x:Key="ControlPressedColor">#FF211AA9</Color>


<Color x:Key="GlyphColor">#FF444444</Color>
<Color x:Key="GlyphMouseOver">sc#1, 0.004391443, 0.002428215, 0.242281124</Color>

<!--Border colors-->
<Color x:Key="BorderLightColor">#FFCCCCCC</Color>
<Color x:Key="BorderMediumColor">#FF888888</Color>
<Color x:Key="BorderDarkColor">#FF444444</Color>

<Color x:Key="PressedBorderLightColor">#FF888888</Color>
<Color x:Key="PressedBorderDarkColor">#FF444444</Color>

<Color x:Key="DisabledBorderLightColor">#FFAAAAAA</Color>
<Color x:Key="DisabledBorderDarkColor">#FF888888</Color>

<Color x:Key="DefaultBorderBrushDarkColor">Black</Color>

<!--Control-specific resources.-->
<Color x:Key="HeaderTopColor">#FFC5CBF9</Color>
<Color x:Key="DatagridCurrentCellBorderColor">Black</Color>
<Color x:Key="SliderTrackDarkColor">#FFC5CBF9</Color>

<Color x:Key="NavButtonFrameColor">#FF3843C4</Color>

<LinearGradientBrush x:Key="MenuPopupBrush"
                     EndPoint="0.5,1"
                     StartPoint="0.5,0">
  <GradientStop Color="{DynamicResource ControlLightColor}"
                Offset="0" />
  <GradientStop Color="{DynamicResource ControlMediumColor}"
                Offset="0.5" />
  <GradientStop Color="{DynamicResource ControlLightColor}"
                Offset="1" />
</LinearGradientBrush>

<LinearGradientBrush x:Key="ProgressBarIndicatorAnimatedFill"
                     StartPoint="0,0"
                     EndPoint="1,0">
  <LinearGradientBrush.GradientStops>
    <GradientStopCollection>
      <GradientStop Color="#000000FF"
                    Offset="0" />
      <GradientStop Color="#600000FF"
                    Offset="0.4" />
      <GradientStop Color="#600000FF"
                    Offset="0.6" />
      <GradientStop Color="#000000FF"
                    Offset="1" />
    </GradientStopCollection>
  </LinearGradientBrush.GradientStops>
</LinearGradientBrush>

Per l'esempio completo, vedere Esempio di applicazione di stili con ControlTemplate (la pagina potrebbe essere in inglese).

Vedere anche

Riferimenti

Style

ControlTemplate

Concetti

Applicazione di stili e modelli

Personalizzazione dell'aspetto di un controllo esistente mediante la creazione di un oggetto ControlTemplate

Altre risorse

Stili e modelli di Control

Personalizzazione dei controlli

Cronologia delle modifiche

Data

Cronologia

Motivo

Agosto 2010

Aggiunta dell'esempio ControlTemplate.

Miglioramento delle informazioni.