combobox (winrt)의 드롭 다운 높이 설정

Question

xaml에서 콤보 상자의 드롭 다운 높이를 설정하려고합니다. 내가하는 일은 아무 것도없는 것처럼 보인다. 나는 다음 스타일 템플릿을 구축하고 있습니다.

도움을 주시면 감사하겠습니다.

<Style x:Key="ComboBoxStyle1" TargetType="ComboBox"> 
    <Setter Property="Padding" Value="8,0"/> 
    <Setter Property="Foreground" Value="{StaticResource ComboBoxForegroundThemeBrush}"/> 
    <Setter Property="Background" Value="{StaticResource ComboBoxBackgroundThemeBrush}"/> 
    <Setter Property="BorderBrush" Value="{StaticResource ComboBoxBorderThemeBrush}"/> 
    <Setter Property="BorderThickness" Value="{StaticResource ComboBoxBorderThemeThickness}"/> 
    <Setter Property="TabNavigation" Value="Once"/> 
    <Setter Property="ScrollViewer.HorizontalScrollBarVisibility" Value="Disabled"/> 
    <Setter Property="ScrollViewer.VerticalScrollBarVisibility" Value="Auto"/> 
    <Setter Property="ScrollViewer.HorizontalScrollMode" Value="Disabled"/> 
    <Setter Property="ScrollViewer.VerticalScrollMode" Value="Auto"/> 
    <Setter Property="ScrollViewer.IsVerticalRailEnabled" Value="True"/> 
    <Setter Property="ScrollViewer.IsDeferredScrollingEnabled" Value="False"/> 
    <Setter Property="ScrollViewer.BringIntoViewOnFocusChange" Value="True"/> 
    <Setter Property="HorizontalContentAlignment" Value="Stretch"/> 
    <Setter Property="FontFamily" Value="{StaticResource ContentControlThemeFontFamily}"/> 
    <Setter Property="FontSize" Value="{StaticResource ControlContentThemeFontSize}"/> 
    <Setter Property="ItemsPanel"> 
     <Setter.Value> 
      <ItemsPanelTemplate> 
       <CarouselPanel /> 
      </ItemsPanelTemplate> 
     </Setter.Value> 
    </Setter> 
    <Setter Property="Template"> 
     <Setter.Value> 
      <ControlTemplate TargetType="ComboBox"> 
       <Grid> 
        <Grid.ColumnDefinitions> 
         <ColumnDefinition Width="*"/> 
         <ColumnDefinition Width="32"/> 
        </Grid.ColumnDefinitions> 
        <VisualStateManager.VisualStateGroups> 
         <VisualStateGroup x:Name="CommonStates"> 
          <VisualState x:Name="Normal"/> 
          <VisualState x:Name="PointerOver"> 
           <Storyboard> 
           </Storyboard> 
          </VisualState> 
          <VisualState x:Name="Pressed"> 
          </VisualState> 
          <VisualState x:Name="Disabled"> 
           <Storyboard> 
            <ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Background" Storyboard.TargetName="Background"> 
             <DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource ComboBoxDisabledBackgroundThemeBrush}"/> 
            </ObjectAnimationUsingKeyFrames> 
            <ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="BorderBrush" Storyboard.TargetName="Background"> 
             <DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource ComboBoxDisabledBorderThemeBrush}"/> 
            </ObjectAnimationUsingKeyFrames> 
            <ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Foreground" Storyboard.TargetName="ContentPresenter"> 
             <DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource ComboBoxDisabledForegroundThemeBrush}"/> 
            </ObjectAnimationUsingKeyFrames> 
            <ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Foreground" Storyboard.TargetName="DropDownGlyph"> 
             <DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource ComboBoxArrowDisabledForegroundThemeBrush}"/> 
            </ObjectAnimationUsingKeyFrames> 
           </Storyboard> 
          </VisualState> 
         </VisualStateGroup> 
         <VisualStateGroup x:Name="FocusStates"> 
          <VisualState x:Name="Focused"> 
           <Storyboard> 
            <DoubleAnimation Duration="0" To="1" Storyboard.TargetProperty="Opacity" Storyboard.TargetName="HighlightBackground"/> 
            <DoubleAnimation Duration="0" To="1" Storyboard.TargetProperty="Opacity" Storyboard.TargetName="Highlight"/> 
            <ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Foreground" Storyboard.TargetName="ContentPresenter"> 
             <DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource ComboBoxFocusedForegroundThemeBrush}"/> 
            </ObjectAnimationUsingKeyFrames> 
           </Storyboard> 
          </VisualState> 
          <VisualState x:Name="FocusedPressed"> 
           <Storyboard> 
            <ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Foreground" Storyboard.TargetName="ContentPresenter"> 
             <DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource ComboBoxPressedForegroundThemeBrush}"/> 
            </ObjectAnimationUsingKeyFrames> 
           </Storyboard> 
          </VisualState> 
          <VisualState x:Name="Unfocused"/> 
          <VisualState x:Name="PointerFocused"/> 
          <VisualState x:Name="FocusedDropDown"> 
           <Storyboard> 
            <ObjectAnimationUsingKeyFrames Duration="0" Storyboard.TargetProperty="Visibility" Storyboard.TargetName="PopupBorder"> 
             <DiscreteObjectKeyFrame KeyTime="0"> 
              <DiscreteObjectKeyFrame.Value> 
               <Visibility>Visible</Visibility> 
              </DiscreteObjectKeyFrame.Value> 
             </DiscreteObjectKeyFrame> 
            </ObjectAnimationUsingKeyFrames> 
           </Storyboard> 
          </VisualState> 
         </VisualStateGroup> 
         <VisualStateGroup x:Name="DropDownStates"> 
          <VisualState x:Name="Opened"> 
           <Storyboard> 
            <SplitOpenThemeAnimation ClosedTargetName="ContentPresenter" ContentTranslationOffset="0" ContentTargetName="ScrollViewer" ClosedLength="{Binding TemplateSettings.DropDownClosedHeight, RelativeSource={RelativeSource Mode=TemplatedParent}}" OffsetFromCenter="{Binding TemplateSettings.DropDownOffset, RelativeSource={RelativeSource Mode=TemplatedParent}}" OpenedTargetName="PopupBorder" OpenedLength="{Binding TemplateSettings.DropDownOpenedHeight, RelativeSource={RelativeSource Mode=TemplatedParent}}"/> 
           </Storyboard> 
          </VisualState> 
          <VisualState x:Name="Closed"> 
           <Storyboard> 
            <SplitCloseThemeAnimation ClosedTargetName="ContentPresenter" ContentTranslationOffset="40" ContentTranslationDirection="{Binding TemplateSettings.SelectedItemDirection, RelativeSource={RelativeSource Mode=TemplatedParent}}" ContentTargetName="ScrollViewer" ClosedLength="{Binding TemplateSettings.DropDownClosedHeight, RelativeSource={RelativeSource Mode=TemplatedParent}}" OffsetFromCenter="{Binding TemplateSettings.DropDownOffset, RelativeSource={RelativeSource Mode=TemplatedParent}}" OpenedTargetName="PopupBorder" OpenedLength="{Binding TemplateSettings.DropDownOpenedHeight, RelativeSource={RelativeSource Mode=TemplatedParent}}"/> 
           </Storyboard> 
          </VisualState> 
         </VisualStateGroup> 
        </VisualStateManager.VisualStateGroups> 
        <Border x:Name="Background" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" Grid.ColumnSpan="2"/> 
        <Rectangle x:Name="PressedBackground" Fill="{StaticResource ComboBoxPressedHighlightThemeBrush}" Margin="{TemplateBinding BorderThickness}" Opacity="0"/> 
        <Border x:Name="HighlightBackground" BorderBrush="{StaticResource ComboBoxFocusedBorderThemeBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{StaticResource ComboBoxFocusedBackgroundThemeBrush}" Grid.ColumnSpan="2" Opacity="0"/> 
        <Rectangle x:Name="Highlight" Fill="{StaticResource ComboBoxSelectedBackgroundThemeBrush}" Margin="{TemplateBinding BorderThickness}" Opacity="0"/> 
        <ContentPresenter x:Name="ContentPresenter" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" Margin="{TemplateBinding Padding}" VerticalAlignment="{TemplateBinding VerticalContentAlignment}"/> 
        <TextBlock x:Name="DropDownGlyph" Grid.Column="1" Foreground="{StaticResource ComboBoxArrowForegroundThemeBrush}" FontWeight="Bold" FontSize="{StaticResource ComboBoxArrowThemeFontSize}" FontFamily="{StaticResource SymbolThemeFontFamily}" HorizontalAlignment="Right" IsHitTestVisible="False" Margin="0,0,6,4" Text="&#xE011;" VerticalAlignment="Center"/> 
        <Popup x:Name="Popup" Margin="0 10 0 0" > 
         <Border x:Name="PopupBorder" BorderBrush="{StaticResource ComboBoxPopupBorderThemeBrush}" BorderThickness="{StaticResource ComboBoxPopupBorderThemeThickness}" HorizontalAlignment="Stretch" Background="{StaticResource ComboBoxPopupBackgroundThemeBrush}" > 
          <ScrollViewer FontSize="16" x:Name="ScrollViewer" BringIntoViewOnFocusChange="{TemplateBinding ScrollViewer.BringIntoViewOnFocusChange}" 
              Foreground="{StaticResource ComboBoxPopupForegroundThemeBrush}" HorizontalScrollMode="{TemplateBinding ScrollViewer.HorizontalScrollMode}" HorizontalScrollBarVisibility="{TemplateBinding ScrollViewer.HorizontalScrollBarVisibility}" IsHorizontalRailEnabled="{TemplateBinding ScrollViewer.IsHorizontalRailEnabled}" IsVerticalRailEnabled="{TemplateBinding ScrollViewer.IsVerticalRailEnabled}" IsDeferredScrollingEnabled="{TemplateBinding ScrollViewer.IsDeferredScrollingEnabled}" VerticalSnapPointsType="OptionalSingle" VerticalScrollBarVisibility="{TemplateBinding ScrollViewer.VerticalScrollBarVisibility}" 
              VerticalScrollMode="{TemplateBinding ScrollViewer.VerticalScrollMode}" HorizontalAlignment="Stretch" VerticalSnapPointsAlignment="Near" ZoomMode="Disabled"> 
           <ItemsPresenter /> 
          </ScrollViewer> 
         </Border> 
        </Popup> 
       </Grid> 
      </ControlTemplate> 
     </Setter.Value> 
    </Setter> 
</Style> 

Answer 1

MaxDropDownHeight 값을 동적으로 C# 코드로 설정하십시오.