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ComboBox Stilleri ve Şablonları

Bu konuda, denetimin stilleri ve şablonları ComboBox açıklanmaktadır. Denetime benzersiz bir görünüm vermek için varsayılanı ControlTemplate değiştirebilirsiniz. Daha fazla bilgi için bkz . Denetim için şablon oluşturma.

ComboBox Bölümleri

Aşağıdaki tabloda, denetimin adlandırılmış bölümleri ComboBox listelenir.

Bölüm Türü Tanım
PART_EditableTextBox TextBox metnini ComboBoxiçerir.
PART_Popup Popup Birleşik giriş kutusundaki öğeleri içeren açılan liste.

için ComboBoxbir ControlTemplate oluşturduğunuzda, şablonunuz içinde bir ItemsPresenterScrollVieweriçerebilir. (içindeki ItemsPresenter her öğeyi ComboBoxgörüntüler; ScrollViewer denetimin içinde kaydırmayı etkinleştirir). öğesinin ItemsPresenter doğrudan alt öğesi ScrollViewerdeğilse, adını ItemsPresentervermelisinizItemsPresenter.

ComboBox Durumları

Aşağıdaki tabloda denetimin durumları ComboBox listelenmiştir.

VisualState Adı VisualStateGroup Adı Tanım
Normal Commonstates Varsayılan durum.
Devre Dışı Commonstates Denetim devre dışı bırakıldı.
Mouseover Commonstates Fare işaretçisi denetimin ComboBox üzerindedir.
Odaklı FocusStates Denetimin odağı vardır.
Odaklanmamış FocusStates Denetimin odağı yok.
FocusedDropDown FocusStates öğesinin ComboBox açılan listesinde odak vardır.
Geçerli ValidationStates Denetim sınıfını Validation kullanır ve Validation.HasError ekli özelliği ise şeklindedir false.
InvalidFocused ValidationStates Ekli Validation.HasError özelliktir true ve denetimin odağı vardır.
InvalidUnfocused ValidationStates Ekli Validation.HasError özelliktir true ve denetimin odağı yoktur.
Düzenlenebilir EditStates IsEditable özelliğidirtrue.
Düzenlenemez EditStates IsEditable özelliğidirfalse.

ComboBoxItem Parçaları

Denetimin ComboBoxItem adlandırılmış bölümü yok.

ComboBoxItem Durumları

Aşağıdaki tabloda denetimin durumları ComboBoxItem listelenmiştir.

VisualState Adı VisualStateGroup Adı Tanım
Normal Commonstates Varsayılan durum.
Devre Dışı Commonstates Denetim devre dışı bırakıldı.
Mouseover Commonstates Fare işaretçisi denetimin ComboBoxItem üzerindedir.
Odaklı FocusStates Denetimin odağı vardır.
Odaklanmamış FocusStates Denetimin odağı yok.
Seçili SelectionStates Öğe şu anda seçili.
Seçili değil SelectionStates Öğe seçilmedi.
SelectedUnfocused SelectionStates Öğe seçili, ancak odak yok.
Geçerli ValidationStates Denetim sınıfını Validation kullanır ve Validation.HasError ekli özelliği ise şeklindedir false.
InvalidFocused ValidationStates Ekli Validation.HasError özelliktir true ve denetimin odağı vardır.
InvalidUnfocused ValidationStates Ekli Validation.HasError özelliktir true ve denetimin odağı yoktur.

ComboBox ControlTemplate Örneği

Aşağıdaki örnekte, denetim ve ilişkili türler için ComboBox nasıl tanımlanacağı ControlTemplate gösterilmektedir.

<ControlTemplate x:Key="ComboBoxToggleButton"
                 TargetType="{x:Type ToggleButton}">
  <Grid>
    <Grid.ColumnDefinitions>
      <ColumnDefinition />
      <ColumnDefinition Width="20" />
    </Grid.ColumnDefinitions>
    <VisualStateManager.VisualStateGroups>
      <VisualStateGroup x:Name="CommonStates">
        <VisualState x:Name="Normal" />
        <VisualState x:Name="MouseOver">
          <Storyboard>
            <ColorAnimationUsingKeyFrames Storyboard.TargetProperty="(Panel.Background).
                (GradientBrush.GradientStops)[1].(GradientStop.Color)"
                                          Storyboard.TargetName="Border">
              <EasingColorKeyFrame KeyTime="0"
                                   Value="{StaticResource ControlMouseOverColor}" />
            </ColorAnimationUsingKeyFrames>
          </Storyboard>
        </VisualState>
        <VisualState x:Name="Pressed" />
        <VisualState x:Name="Disabled">
          <Storyboard>
            <ColorAnimationUsingKeyFrames Storyboard.TargetProperty="(Panel.Background).
                (GradientBrush.GradientStops)[1].(GradientStop.Color)"
                                          Storyboard.TargetName="Border">
              <EasingColorKeyFrame KeyTime="0"
                                   Value="{StaticResource DisabledControlDarkColor}" />
            </ColorAnimationUsingKeyFrames>
            <ColorAnimationUsingKeyFrames Storyboard.TargetProperty="(Shape.Fill).
                (SolidColorBrush.Color)"
                                          Storyboard.TargetName="Arrow">
              <EasingColorKeyFrame KeyTime="0"
                                   Value="{StaticResource DisabledForegroundColor}" />
            </ColorAnimationUsingKeyFrames>
            <ColorAnimationUsingKeyFrames Storyboard.TargetProperty="(Border.BorderBrush).
                (GradientBrush.GradientStops)[1].(GradientStop.Color)"
                                          Storyboard.TargetName="Border">
              <EasingColorKeyFrame KeyTime="0"
                                   Value="{StaticResource DisabledBorderDarkColor}" />
            </ColorAnimationUsingKeyFrames>
          </Storyboard>
        </VisualState>
      </VisualStateGroup>
      <VisualStateGroup x:Name="CheckStates">
        <VisualState x:Name="Checked">
          <Storyboard>
            <ColorAnimationUsingKeyFrames Storyboard.TargetProperty="(Panel.Background).
                (GradientBrush.GradientStops)[1].(GradientStop.Color)"
                                          Storyboard.TargetName="Border">
              <EasingColorKeyFrame KeyTime="0"
                                   Value="{StaticResource ControlPressedColor}" />
            </ColorAnimationUsingKeyFrames>
          </Storyboard>
        </VisualState>
        <VisualState x:Name="Unchecked" />
        <VisualState x:Name="Indeterminate" />
      </VisualStateGroup>
    </VisualStateManager.VisualStateGroups>
    <Border x:Name="Border"
            Grid.ColumnSpan="2"
            CornerRadius="2"
            BorderThickness="1">
      <Border.BorderBrush>
        <LinearGradientBrush EndPoint="0,1"
                             StartPoint="0,0">
          <GradientStop Color="{DynamicResource BorderLightColor}"
                        Offset="0" />
          <GradientStop Color="{DynamicResource BorderDarkColor}"
                        Offset="1" />
        </LinearGradientBrush>
      </Border.BorderBrush>
      <Border.Background>

        <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>

      </Border.Background>
    </Border>
    <Border Grid.Column="0"
            CornerRadius="2,0,0,2"
            Margin="1" >
      <Border.Background>
          <SolidColorBrush Color="{DynamicResource ControlLightColor}"/>
      </Border.Background>
    </Border>
    <Path x:Name="Arrow"
          Grid.Column="1"
          HorizontalAlignment="Center"
          VerticalAlignment="Center"
          Data="M 0 0 L 4 4 L 8 0 Z" >
      <Path.Fill>
          <SolidColorBrush Color="{DynamicResource GlyphColor}"/>
      </Path.Fill>
    </Path>
  </Grid>
</ControlTemplate>

<ControlTemplate x:Key="ComboBoxTextBox"
                 TargetType="{x:Type TextBox}">
  <Border x:Name="PART_ContentHost"
          Focusable="False"
          Background="{TemplateBinding Background}" />
</ControlTemplate>

<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>

<Style x:Key="{x:Type ComboBoxItem}"
       TargetType="{x:Type ComboBoxItem}">
  <Setter Property="SnapsToDevicePixels"
          Value="true" />
  <Setter Property="OverridesDefaultStyle"
          Value="true" />
  <Setter Property="Template">
    <Setter.Value>
      <ControlTemplate TargetType="{x:Type ComboBoxItem}">
        <Border x:Name="Border"
                Padding="2"
                SnapsToDevicePixels="true"
                Background="Transparent">
          <VisualStateManager.VisualStateGroups>
            <VisualStateGroup x:Name="SelectionStates">
              <VisualState x:Name="Unselected" />
              <VisualState x:Name="Selected">
                <Storyboard>
                  <ColorAnimationUsingKeyFrames Storyboard.TargetName="Border"
                                                Storyboard.TargetProperty="(Panel.Background).
                    (SolidColorBrush.Color)">
                    <EasingColorKeyFrame KeyTime="0"
                                         Value="{StaticResource SelectedBackgroundColor}" />
                  </ColorAnimationUsingKeyFrames>
                </Storyboard>
              </VisualState>
              <VisualState x:Name="SelectedUnfocused">
                <Storyboard>
                  <ColorAnimationUsingKeyFrames Storyboard.TargetName="Border"
                                                Storyboard.TargetProperty="(Panel.Background).
                    (SolidColorBrush.Color)">
                    <EasingColorKeyFrame KeyTime="0"
                                         Value="{StaticResource SelectedUnfocusedColor}" />
                  </ColorAnimationUsingKeyFrames>
                </Storyboard>
              </VisualState>
            </VisualStateGroup>
          </VisualStateManager.VisualStateGroups>
          <ContentPresenter />
        </Border>
      </ControlTemplate>
    </Setter.Value>
  </Setter>
</Style>

Yukarıdaki örnekte aşağıdaki kaynaklardan biri veya daha fazlası kullanılır.

<!--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>

Örneğin tamamı için bkz . ControlTemplates Örneği ile Stil Oluşturma.

Ayrıca bkz.