Question

我需要一种将“扩展器2”扩展到最大程度的功能，例如第二次捕获。当我尝试将选项卡组件放在扩展器中时，我无法将其完整显示。当我再次尝试从Visual Studio内部安排扩展器的高度时，它不允许我使用。我还共享了我的XAML文件。你能告诉我一种方法吗？

编辑：我更改了Height =“ *”之后，仍然存在一个问题，这次我的选项卡组件与扩展器的高度不相关。


<sc:UItemEditScreen> 
<Grid> 
  <Grid.RowDefinitions> 
    <RowDefinition Height="Auto" /> 
    <RowDefinition Height="*" /> 
  </Grid.RowDefinitions> 
  <ucs:UExpander IsAddButtonVisible="False" IsRemoveButtonVisible="False" AddCommand="{x:Null}" RemoveCommand="{x:Null}" AddCommandParameter="{x:Null}" RemoveCommandParameter="{x:Null}" Caption="Expander 1" IsCaptionVisible="True" CaptionTextVerticalAlignment="Top" AccessMode="Editable" BehaviourType="None" IsRequiredForSave="False" IsRequiredForRead="False" Visibility="Visible" ManageChildren="False" Foreground="#FF565151" FontFamily="Segoe UI" FontSize="11"> 
    <Grid> 
      <Grid.ColumnDefinitions> 
        <ColumnDefinition Width="310" /> 
        <ColumnDefinition Width="310" /> 
      </Grid.ColumnDefinitions> 
      <Grid.RowDefinitions> 
        <RowDefinition Height="Auto" /> 
      </Grid.RowDefinitions> 
      <ucs:UTextBox IsDialogEnabled="True" IsRequiredForSave="True" BehaviourType="Entry" /> 
    </Grid> 
  </ucs:UExpander> 
  <ucs:UExpander IsAddButtonVisible="False" IsRemoveButtonVisible="False" AddCommand="{x:Null}" RemoveCommand="{x:Null}" AddCommandParameter="{x:Null}" RemoveCommandParameter="{x:Null}" Caption="Expander 2" IsCaptionVisible="True" CaptionTextVerticalAlignment="Top" AccessMode="Editable" BehaviourType="None" IsRequiredForSave="False" IsRequiredForRead="False" Visibility="Visible" ManageChildren="False" Foreground="#FF565151" FontFamily="Segoe UI" FontSize="11" Grid.Row="1"> 
    <Grid> 
      <Grid.ColumnDefinitions> 
        <ColumnDefinition Width="310" /> 
        <ColumnDefinition Width="310" /> 
      </Grid.ColumnDefinitions> 
      <Grid.RowDefinitions> 
        <RowDefinition Height="Auto" /> 
      </Grid.RowDefinitions> 
      <ucs:UTab> 
        <ucs:UTab.Items> 
          <ucs:UTabItemsCollection> 
            <ucs:UTabItem Header="Tab 1" ToolTipService.ShowOnDisabled="True"> 
              <ucs:UTabItem.HeaderForeground> 
                <Binding Path="IsSelected"> 
                  <Binding.Converter> 
                    <dx:BoolToObjectConverter> 
                      <dx:BoolToObjectConverter.TrueValue> 
                        <SolidColorBrush Color="{Binding Path=RibbonSelectedTitleForeground.Color, Mode=OneWay}" /> 
                      </dx:BoolToObjectConverter.TrueValue> 
                      <dx:BoolToObjectConverter.FalseValue> 
                        <SolidColorBrush Color="{Binding Path=RibbonUnselectedTitleForeground.Color, Mode=OneWay}" /> 
                      </dx:BoolToObjectConverter.FalseValue> 
                    </dx:BoolToObjectConverter> 
                  </Binding.Converter> 
                </Binding> 
              </ucs:UTabItem.HeaderForeground> 
              <Grid /> 
            </ucs:UTabItem> 
            <ucs:UTabItem Header="Tab 2" ToolTipService.ShowOnDisabled="True"> 
              <ucs:UTabItem.HeaderForeground> 
                <Binding Path="IsSelected"> 
                  <Binding.Converter> 
                    <dx:BoolToObjectConverter> 
                      <dx:BoolToObjectConverter.TrueValue> 
                        <SolidColorBrush Color="{Binding Path=RibbonSelectedTitleForeground.Color, Mode=OneWay}" /> 
                      </dx:BoolToObjectConverter.TrueValue> 
                      <dx:BoolToObjectConverter.FalseValue> 
                        <SolidColorBrush Color="{Binding Path=RibbonUnselectedTitleForeground.Color, Mode=OneWay}" /> 
                      </dx:BoolToObjectConverter.FalseValue> 
                    </dx:BoolToObjectConverter> 
                  </Binding.Converter> 
                </Binding> 
              </ucs:UTabItem.HeaderForeground> 
              <Grid /> 
            </ucs:UTabItem> 
          </ucs:UTabItemsCollection> 
        </ucs:UTab.Items> 
      </ucs:UTab> 
    </Grid> 
  </ucs:UExpander> 
</Grid> 
</sc:UItemEditScreen>

Answer 1

为Expander2所在的第二行设置RowDefinition Height = *。

<sc:UItemEditScreen> 
  <Grid> 
    <Grid.RowDefinitions> 
      <RowDefinition Height="Auto" /> 
      <RowDefinition Height="*" /> <----- This means rest of the space will be taken
    </Grid.RowDefinitions> 

</Grid>

更新：

与您要达到的目标相比，您的Xaml很奇怪。

请参阅Expander2的部分：

<ucs:UExpander Grid.Row="1"> 
    <Grid> 
      <Grid.ColumnDefinitions> 
        <ColumnDefinition Width="310" /> 
        <ColumnDefinition Width="310" />  <---- Why fixed width columns an also why 2 of them
      </Grid.ColumnDefinitions> 
      <Grid.RowDefinitions> 
        <RowDefinition Height="Auto" />  <--- This should be *
      </Grid.RowDefinitions>

您有2列，每列310像素宽，一行具有“自动高度”。您的标签没有分配Grid.Row或Grid.Column，因此默认情况下它将转到Row = 0，Column = 0。

在此处也将“网格行高”也更改为*，并找出具有两列的原因

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