想让SelectedValue绑定生效,关键三个属性: ItemsSource SelectedValue (也可以使用SelectedItem进行替换!) DisplayMemberPath 前台代码: <ComboBoxhc:TitleElement.Title="选择输入"ItemsSource="{Binding ListInput}"SelectedValue="{Binding proprecessImage.CurSelectInput, Mode=TwoWay}"DisplayMemberPath="DisplayName"></C...
那么,combobox的绑定代码如下: <ComboBoxWidth="150"Canvas.Left="80"ItemsSource="{Binding Path=Categories}"DisplayMemberPath="Name"SelectedItem="{Binding ElementName=listview, Path=SelectedItem.category, Mode=TwoWay}"SelectedValuePath="Name"SelectedValue="{Binding ElementName=listview, Path=SelectedItem.c...
<ComboBoxGrid.Column="4"Grid.Row="0"Height="23"HorizontalAlignment="Left"Margin="12,12,0,0"Name="cb_Application"VerticalAlignment="Top"Width="120"ItemsSource="{Binding Path=ListOfEnumValues,Converter={converters:ArrayStringToEnumDescriptionConverter}}"SelectedValue="{Binding Path=ChosenEnum,Converter...
步骤3:创建 XAML 视图 更新MainWindow.xaml 以创建包含 ComboBox 控件的窗口,以及一个 Label 控件以显示当前 选择的语言: <Windowx:Class="WpfComboBox.MainWindow"xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"xmlns:d="http://...
<ComboBox Width="200" HorizontalAlignment="Left" ItemsSource="{Binding CombboxList}" SelectedItem="{Binding CombboxItem}" DisplayMemberPath="Text" SelectedValuePath="Key" ></ComboBox> </StackPanel> <StackPanel DockPanel.Dock="Right" Orientation="Horizontal" VerticalAlignment="Center" Margin="20 ...
首先,确保ViewModel中有一个与SelectedItem属性绑定的公共属性,例如SelectedValue。然后,在ComboBox的XAML代码中,使用Binding将SelectedItem属性绑定到SelectedValue属性,如下所示: 代码语言:txt 复制 <ComboBox SelectedItem="{Binding SelectedValue}" ... /> 这样,当用户选择ComboBox中的项时,SelectedValue属性将自动更新...
<hc:NumericUpDown IsEnabled="{Binding SelectedValue, ElementName=ComboLang, Converter={StaticResource Lang2Bool}}" Margin="0,0,0,0" Style="{StaticResource NumericUpDownPlus}"/> </DockPanel> </Grid> </UserControl> 1. 2. 3. 4.
0" Name="ComboBox1" VerticalAlignment="Top" SelectedValue="{Binding Path=SelectedName, Source={StaticResource MyListObject}, Mode=OneWay}" ItemsSource="{Binding Path=MyList, Source={StaticResource MyListObject}, Mode=OneWay}" /> <Button Height="23" HorizontalAlignment="Left" Margin="47,0,0...
Width="150"HorizontalAlignment="Left"SelectedIndex="3"DisplayMemberPath="Value"SelectedValuePath="Key"ItemsSource="{Binding StudentDic}"/></dxlc:LayoutItem> viewmodel代码: 代码语言:javascript 复制 StudentDic.Add(1,"xiao zhu");StudentDic.Add(2,"xiao Li");StudentDic.Add(3,"xiao Wang");StudentDi...
1. 把Product中的ProductType改成ProductId,并使用SelectedValuePath来解决这个问题。 把SelectedValuePath设为ID, 去掉SelectedItem的绑定,把SelectedValue设为{Binding Path=} 2.重载ProductType的Equals方法,根据Id判断两个ProductType是否相等。 WPF的Selector根据Object.Equals方法来判断SelectedItem ...