<StackPanel DockPanel.Dock="Left" Orientation="Horizontal"> <ComboBox MinWidth="100" Margin="5" materialDesign:HintAssist.Hint="请选择仓库" IsEditable="True" ItemsSource="{Binding WareHouseCollection, Mode=OneTime}" SelectedValue="{Binding WareHouseCode}" SelectionChanged="ComboBox_SelectionChanged" /> </StackPanel>
时间: 2024-02-14 19:32:17 浏览: 66
这段代码中的ComboBox控件绑定了一个名为WareHouseCollection的集合作为其选项数据源(ItemsSource),并将其选中值(SelectedValue)绑定到了一个名为WareHouseCode的属性上。
另外,IsEditable属性设置为True,表示用户可以在下拉框中输入文本来进行搜索。Margin属性设置了下拉框的边距,HintAssist.Hint属性设置了在下拉框中没有选项时的提示文本。
SelectionChanged事件处理程序ComboBox_SelectionChanged则会在下拉框中选项发生改变时被调用。
相关问题
<GroupBox materialDesign:ColorZoneAssist.Mode="Custom" materialDesign:ColorZoneAssist.Background="DeepSkyBlue" materialDesign:ColorZoneAssist.Foreground="White" Margin="0 5 5 0" Grid.Column="1"> <GroupBox.HeaderTemplate> <DataTemplate> <StackPanel Orientation="Horizontal"> <TextBlock Text="车号"/> <CheckBox IsChecked="{Binding DataContext.allSelected}" Content="全选" Margin="10 0 0 0"/> </StackPanel> </DataTemplate> </GroupBox.HeaderTemplate>
这是一个WPF(Windows Presentation Foundation)的XAML(Extensible Application Markup Language)代码片段,用于创建一个包含复选框和文本块的分组框。这个分组框有一个名为“车号”的标题,同时还包含一个用于全选复选框的绑定。此外,它还使用了Material Design的颜色和样式,背景色为DeepSkyBlue,前景色为白色。
<ItemsControl x:Class="HDSProject.Control.CustomFont" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" xmlns:d="http://schemas.microsoft.com/expression/blend/2008" xmlns:local="clr-namespace:HDSProject.Control" mc:Ignorable="d" d:DesignHeight="450" d:DesignWidth="800" x:Name="itemCtrl" ItemsSource="{Binding Path=Title2, RelativeSource={RelativeSource Mode=Self}}" FontSize="20" Foreground="Teal" > <ItemsControl.ItemContainerStyle> <Style TargetType="ContentPresenter"> <Setter Property="VerticalAlignment" Value="Center" /> </Style> </ItemsControl.ItemContainerStyle> <ItemsControl.ItemsPanel> <ItemsPanelTemplate> <StackPanel Orientation="Horizontal" HorizontalAlignment="Center"/> </ItemsPanelTemplate> </ItemsControl.ItemsPanel> <ItemsControl.ItemTemplate> <DataTemplate> <StackPanel> <Border Margin="{Binding Path=CharacterSpacing, RelativeSource={RelativeSource Mode=FindAncestor, AncestorType=local:CustomFont}}"> <TextBlock Text="{Binding}" /> </Border> <Rectangle Height="1" Fill="{Binding Foreground, ElementName=itemCtrl}" Margin="0,0,0,5"> <Rectangle.Style> <Style TargetType="Rectangle"> <Setter Property="Visibility" Value="Collapsed" /> <Style.Triggers> <DataTrigger Binding="{Binding ShowUnderline, RelativeSource={RelativeSource Mode=FindAncestor, AncestorType=local:CustomFont}}" Value="True"> <Setter Property="Visibility" Value="Visible" /> </DataTrigger> </Style.Triggers> </Style> </Rectangle.Style> </Rectangle> </StackPanel> </DataTemplate> </ItemsControl.ItemTemplate> </ItemsControl>给这个控件添加一个拖动边框改变大小的事件
您可以使用Thumb控件来实现拖动边框改变大小的事件。具体步骤如下:
1. 在ItemsControl的外部包裹一个Grid控件,并设置Grid控件的背景色和边框颜色,以便更好地展示拖动效果。
2. 在Grid控件的四个角落添加四个Thumb控件,并分别设置Thumb控件的HorizontalAlignment、VerticalAlignment、Width和Height属性,以便控制Thumb控件的位置和大小。
3. 在Thumb控件的DragDelta事件中,根据Thumb控件的位置和大小计算出Grid控件的新位置和大小,并将其应用到Grid控件上。
下面是示例代码:
```
<Grid Background="White" BorderBrush="Gray" BorderThickness="1">
<Grid.RowDefinitions>
<RowDefinition Height="Auto"/>
<RowDefinition Height="*"/>
<RowDefinition Height="Auto"/>
</Grid.RowDefinitions>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="Auto"/>
<ColumnDefinition Width="*"/>
<ColumnDefinition Width="Auto"/>
</Grid.ColumnDefinitions>
<Thumb Grid.Row="0" Grid.Column="0" Width="10" Height="10" HorizontalAlignment="Left" VerticalAlignment="Top" DragDelta="Thumb_DragDelta" />
<Thumb Grid.Row="0" Grid.Column="1" Height="10" VerticalAlignment="Top" DragDelta="Thumb_DragDelta" />
<Thumb Grid.Row="0" Grid.Column="2" Width="10" Height="10" HorizontalAlignment="Right" VerticalAlignment="Top" DragDelta="Thumb_DragDelta" />
<Thumb Grid.Row="1" Grid.Column="0" Width="10" DragDelta="Thumb_DragDelta" />
<ItemsControl Grid.Row="1" Grid.Column="1" x:Name="itemCtrl" ItemsSource="{Binding Path=Title2, RelativeSource={RelativeSource Mode=Self}}" FontSize="20" Foreground="Teal" >
<ItemsControl.ItemContainerStyle>
<Style TargetType="ContentPresenter">
<Setter Property="VerticalAlignment" Value="Center" />
</Style>
</ItemsControl.ItemContainerStyle>
<ItemsControl.ItemsPanel>
<ItemsPanelTemplate>
<StackPanel Orientation="Horizontal" HorizontalAlignment="Center"/>
</ItemsPanelTemplate>
</ItemsControl.ItemsPanel>
<ItemsControl.ItemTemplate>
<DataTemplate>
<StackPanel>
<Border Margin="{Binding Path=CharacterSpacing, RelativeSource={RelativeSource Mode=FindAncestor, AncestorType=local:CustomFont}}">
<TextBlock Text="{Binding}" />
</Border>
<Rectangle Height="1" Fill="{Binding Foreground, ElementName=itemCtrl}" Margin="0,0,0,5">
<Rectangle.Style>
<Style TargetType="Rectangle">
<Setter Property="Visibility" Value="Collapsed" />
<Style.Triggers>
<DataTrigger Binding="{Binding ShowUnderline, RelativeSource={RelativeSource Mode=FindAncestor, AncestorType=local:CustomFont}}" Value="True">
<Setter Property="Visibility" Value="Visible" />
</DataTrigger>
</Style.Triggers>
</Style>
</Rectangle.Style>
</Rectangle>
</StackPanel>
</DataTemplate>
</ItemsControl.ItemTemplate>
</ItemsControl>
<Thumb Grid.Row="1" Grid.Column="2" Width="10" DragDelta="Thumb_DragDelta" />
<Thumb Grid.Row="2" Grid.Column="0" Width="10" Height="10" HorizontalAlignment="Left" VerticalAlignment="Bottom" DragDelta="Thumb_DragDelta" />
<Thumb Grid.Row="2" Grid.Column="1" Height="10" VerticalAlignment="Bottom" DragDelta="Thumb_DragDelta" />
<Thumb Grid.Row="2" Grid.Column="2" Width="10" Height="10" HorizontalAlignment="Right" VerticalAlignment="Bottom" DragDelta="Thumb_DragDelta" />
</Grid>
```
在代码中,我们为Grid控件添加了六个Thumb控件,分别位于Grid控件的四个角和四条边的中心位置。在Thumb控件的DragDelta事件中,我们根据Thumb控件的位置和大小计算出Grid控件的新位置和大小,并将其应用到Grid控件上,从而实现了拖动边框改变大小的效果。