Wpf 更改按钮上的ListBox.ItemsSource绑定属性。单击？

快速提问

    <ObjectDataProvider ObjectType="{x:Type sys:Enum}"
                        MethodName="GetValues"
                        x:Key="Enum2Provider">
        <ObjectDataProvider.MethodParameters>
            <x:TypeExtension Type="{x:Type local:Enum2}" />
        </ObjectDataProvider.MethodParameters>
    </ObjectDataProvider>
</Window.Resources>
<Grid>
    <!-- ListBox-->
    <ListBox x:Name="DynamicListBox"
             Padding="10" HorizontalAlignment="Left" Width="52" Margin="20,21,0,115">
        <ListBox.Style>
            <Style TargetType="{x:Type ListBox}">
                <Setter Property="ItemsSource"
                        Value="{Binding Source={StaticResource Enum1Provider}}"/>
                <Style.Triggers>
                    <DataTrigger Binding="{Binding Path=ToggleItemSource,
                                                   UpdateSourceTrigger=PropertyChanged
                                           }"
                                 Value="False">
                        <Setter Property="ItemsSource"
                                Value="{Binding Source={StaticResource Enum2Provider}}"/>
                    </DataTrigger>
                </Style.Triggers>
            </Style>
        </ListBox.Style>
    </ListBox>
    <!-- Toggle Button -->
    <Button Height="29"
            Margin="94,45.44,59,0" 
            Name="button1" 
            VerticalAlignment="Top" 
            Click="button1_Click"
            Content="ToggleItemSource" />
</Grid>

我有一个

ListBox

，其

ItemsSource

属性绑定到viewmodel中的集合属性，如下所示：

<ListBox Name="CollectionsListBox" ItemsSource="{Binding Activity.Timesheets}" />

    <ObjectDataProvider ObjectType="{x:Type sys:Enum}"
                        MethodName="GetValues"
                        x:Key="Enum2Provider">
        <ObjectDataProvider.MethodParameters>
            <x:TypeExtension Type="{x:Type local:Enum2}" />
        </ObjectDataProvider.MethodParameters>
    </ObjectDataProvider>
</Window.Resources>
<Grid>
    <!-- ListBox-->
    <ListBox x:Name="DynamicListBox"
             Padding="10" HorizontalAlignment="Left" Width="52" Margin="20,21,0,115">
        <ListBox.Style>
            <Style TargetType="{x:Type ListBox}">
                <Setter Property="ItemsSource"
                        Value="{Binding Source={StaticResource Enum1Provider}}"/>
                <Style.Triggers>
                    <DataTrigger Binding="{Binding Path=ToggleItemSource,
                                                   UpdateSourceTrigger=PropertyChanged
                                           }"
                                 Value="False">
                        <Setter Property="ItemsSource"
                                Value="{Binding Source={StaticResource Enum2Provider}}"/>
                    </DataTrigger>
                </Style.Triggers>
            </Style>
        </ListBox.Style>
    </ListBox>
    <!-- Toggle Button -->
    <Button Height="29"
            Margin="94,45.44,59,0" 
            Name="button1" 
            VerticalAlignment="Top" 
            Click="button1_Click"
            Content="ToggleItemSource" />
</Grid>

---

非常感谢您的帮助。

我不确定Button是否能做到这一点。但radiobutton只能在XAML中满足您

    <ObjectDataProvider ObjectType="{x:Type sys:Enum}"
                        MethodName="GetValues"
                        x:Key="Enum2Provider">
        <ObjectDataProvider.MethodParameters>
            <x:TypeExtension Type="{x:Type local:Enum2}" />
        </ObjectDataProvider.MethodParameters>
    </ObjectDataProvider>
</Window.Resources>
<Grid>
    <!-- ListBox-->
    <ListBox x:Name="DynamicListBox"
             Padding="10" HorizontalAlignment="Left" Width="52" Margin="20,21,0,115">
        <ListBox.Style>
            <Style TargetType="{x:Type ListBox}">
                <Setter Property="ItemsSource"
                        Value="{Binding Source={StaticResource Enum1Provider}}"/>
                <Style.Triggers>
                    <DataTrigger Binding="{Binding Path=ToggleItemSource,
                                                   UpdateSourceTrigger=PropertyChanged
                                           }"
                                 Value="False">
                        <Setter Property="ItemsSource"
                                Value="{Binding Source={StaticResource Enum2Provider}}"/>
                    </DataTrigger>
                </Style.Triggers>
            </Style>
        </ListBox.Style>
    </ListBox>
    <!-- Toggle Button -->
    <Button Height="29"
            Margin="94,45.44,59,0" 
            Name="button1" 
            VerticalAlignment="Top" 
            Click="button1_Click"
            Content="ToggleItemSource" />
</Grid>

假设我们有两个枚举：

public enum E { A = 0, B = 1, C = 2 }
public enum F { G = 0, H = 1, L = 2 }

    <ObjectDataProvider ObjectType="{x:Type sys:Enum}"
                        MethodName="GetValues"
                        x:Key="Enum2Provider">
        <ObjectDataProvider.MethodParameters>
            <x:TypeExtension Type="{x:Type local:Enum2}" />
        </ObjectDataProvider.MethodParameters>
    </ObjectDataProvider>
</Window.Resources>
<Grid>
    <!-- ListBox-->
    <ListBox x:Name="DynamicListBox"
             Padding="10" HorizontalAlignment="Left" Width="52" Margin="20,21,0,115">
        <ListBox.Style>
            <Style TargetType="{x:Type ListBox}">
                <Setter Property="ItemsSource"
                        Value="{Binding Source={StaticResource Enum1Provider}}"/>
                <Style.Triggers>
                    <DataTrigger Binding="{Binding Path=ToggleItemSource,
                                                   UpdateSourceTrigger=PropertyChanged
                                           }"
                                 Value="False">
                        <Setter Property="ItemsSource"
                                Value="{Binding Source={StaticResource Enum2Provider}}"/>
                    </DataTrigger>
                </Style.Triggers>
            </Style>
        </ListBox.Style>
    </ListBox>
    <!-- Toggle Button -->
    <Button Height="29"
            Margin="94,45.44,59,0" 
            Name="button1" 
            VerticalAlignment="Top" 
            Click="button1_Click"
            Content="ToggleItemSource" />
</Grid>

我在XAML中将它们定义为资源：

<ObjectDataProvider ObjectType="{x:Type sys:Enum}" MethodName="GetValues" x:Key="EProvider">
    <ObjectDataProvider.MethodParameters>
        <x:TypeExtension Type="{x:Type local:E}" />
    </ObjectDataProvider.MethodParameters>
</ObjectDataProvider>

<ObjectDataProvider ObjectType="{x:Type sys:Enum}" MethodName="GetValues" x:Key="FProvider">
    <ObjectDataProvider.MethodParameters>
        <x:TypeExtension Type="{x:Type local:F}" />
    </ObjectDataProvider.MethodParameters>
</ObjectDataProvider>

    <ObjectDataProvider ObjectType="{x:Type sys:Enum}"
                        MethodName="GetValues"
                        x:Key="Enum2Provider">
        <ObjectDataProvider.MethodParameters>
            <x:TypeExtension Type="{x:Type local:Enum2}" />
        </ObjectDataProvider.MethodParameters>
    </ObjectDataProvider>
</Window.Resources>
<Grid>
    <!-- ListBox-->
    <ListBox x:Name="DynamicListBox"
             Padding="10" HorizontalAlignment="Left" Width="52" Margin="20,21,0,115">
        <ListBox.Style>
            <Style TargetType="{x:Type ListBox}">
                <Setter Property="ItemsSource"
                        Value="{Binding Source={StaticResource Enum1Provider}}"/>
                <Style.Triggers>
                    <DataTrigger Binding="{Binding Path=ToggleItemSource,
                                                   UpdateSourceTrigger=PropertyChanged
                                           }"
                                 Value="False">
                        <Setter Property="ItemsSource"
                                Value="{Binding Source={StaticResource Enum2Provider}}"/>
                    </DataTrigger>
                </Style.Triggers>
            </Style>
        </ListBox.Style>
    </ListBox>
    <!-- Toggle Button -->
    <Button Height="29"
            Margin="94,45.44,59,0" 
            Name="button1" 
            VerticalAlignment="Top" 
            Click="button1_Click"
            Content="ToggleItemSource" />
</Grid>

然后我们开始：

<ListBox x:Name="List1">
    <ListBox.Style>
        <Style>
            <Style.Triggers>
                <MultiDataTrigger>
                    <MultiDataTrigger.Conditions>
                        <Condition Binding="{Binding ElementName=Rdb1,Path=IsChecked}" Value="True"/>
                    </MultiDataTrigger.Conditions>
                    <Setter Property="ListBox.ItemsSource" Value="{Binding Source={StaticResource EProvider}}" />
                </MultiDataTrigger>
                <MultiDataTrigger>
                    <MultiDataTrigger.Conditions>
                        <Condition Binding="{Binding ElementName=Rdb2,Path=IsChecked}" Value="True"/>
                    </MultiDataTrigger.Conditions>
                    <Setter Property="ListBox.ItemsSource" Value="{Binding Source={StaticResource FProvider}}" />
                </MultiDataTrigger>
            </Style.Triggers>
        </Style>
    </ListBox.Style>
</ListBox>
<RadioButton x:Name="Rdb1" GroupName="Group1" />
<RadioButton x:Name="Rdb2" GroupName="Group1" />

    <ObjectDataProvider ObjectType="{x:Type sys:Enum}"
                        MethodName="GetValues"
                        x:Key="Enum2Provider">
        <ObjectDataProvider.MethodParameters>
            <x:TypeExtension Type="{x:Type local:Enum2}" />
        </ObjectDataProvider.MethodParameters>
    </ObjectDataProvider>
</Window.Resources>
<Grid>
    <!-- ListBox-->
    <ListBox x:Name="DynamicListBox"
             Padding="10" HorizontalAlignment="Left" Width="52" Margin="20,21,0,115">
        <ListBox.Style>
            <Style TargetType="{x:Type ListBox}">
                <Setter Property="ItemsSource"
                        Value="{Binding Source={StaticResource Enum1Provider}}"/>
                <Style.Triggers>
                    <DataTrigger Binding="{Binding Path=ToggleItemSource,
                                                   UpdateSourceTrigger=PropertyChanged
                                           }"
                                 Value="False">
                        <Setter Property="ItemsSource"
                                Value="{Binding Source={StaticResource Enum2Provider}}"/>
                    </DataTrigger>
                </Style.Triggers>
            </Style>
        </ListBox.Style>
    </ListBox>
    <!-- Toggle Button -->
    <Button Height="29"
            Margin="94,45.44,59,0" 
            Name="button1" 
            VerticalAlignment="Top" 
            Click="button1_Click"
            Content="ToggleItemSource" />
</Grid>

---

令我惊讶的是，以下方法似乎有效：

<ListBox Name="myLB" ItemsSource="{Binding Data}"/>
<Button Content="This is a Button">
    <Button.Triggers>
        <EventTrigger RoutedEvent="Button.Click">
            <BeginStoryboard>
                <Storyboard>
                    <ObjectAnimationUsingKeyFrames Storyboard.TargetName="myLB"
                                                   Storyboard.TargetProperty="ItemsSource">
                        <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="{Binding Data2}"/>
                    </ObjectAnimationUsingKeyFrames>
                </Storyboard>
            </BeginStoryboard>
        </EventTrigger>
    </Button.Triggers>
</Button>

    <ObjectDataProvider ObjectType="{x:Type sys:Enum}"
                        MethodName="GetValues"
                        x:Key="Enum2Provider">
        <ObjectDataProvider.MethodParameters>
            <x:TypeExtension Type="{x:Type local:Enum2}" />
        </ObjectDataProvider.MethodParameters>
    </ObjectDataProvider>
</Window.Resources>
<Grid>
    <!-- ListBox-->
    <ListBox x:Name="DynamicListBox"
             Padding="10" HorizontalAlignment="Left" Width="52" Margin="20,21,0,115">
        <ListBox.Style>
            <Style TargetType="{x:Type ListBox}">
                <Setter Property="ItemsSource"
                        Value="{Binding Source={StaticResource Enum1Provider}}"/>
                <Style.Triggers>
                    <DataTrigger Binding="{Binding Path=ToggleItemSource,
                                                   UpdateSourceTrigger=PropertyChanged
                                           }"
                                 Value="False">
                        <Setter Property="ItemsSource"
                                Value="{Binding Source={StaticResource Enum2Provider}}"/>
                    </DataTrigger>
                </Style.Triggers>
            </Style>
        </ListBox.Style>
    </ListBox>
    <!-- Toggle Button -->
    <Button Height="29"
            Margin="94,45.44,59,0" 
            Name="button1" 
            VerticalAlignment="Top" 
            Click="button1_Click"
            Content="ToggleItemSource" />
</Grid>

---

编辑：这是否有效取决于项目资源的性质。动画在这方面有点混乱。使用恒定状态更好，例如建议使用单选按钮，因为可以使用设置器。

据我所知，这是您需要的-

    <ObjectDataProvider ObjectType="{x:Type sys:Enum}"
                        MethodName="GetValues"
                        x:Key="Enum2Provider">
        <ObjectDataProvider.MethodParameters>
            <x:TypeExtension Type="{x:Type local:Enum2}" />
        </ObjectDataProvider.MethodParameters>
    </ObjectDataProvider>
</Window.Resources>
<Grid>
    <!-- ListBox-->
    <ListBox x:Name="DynamicListBox"
             Padding="10" HorizontalAlignment="Left" Width="52" Margin="20,21,0,115">
        <ListBox.Style>
            <Style TargetType="{x:Type ListBox}">
                <Setter Property="ItemsSource"
                        Value="{Binding Source={StaticResource Enum1Provider}}"/>
                <Style.Triggers>
                    <DataTrigger Binding="{Binding Path=ToggleItemSource,
                                                   UpdateSourceTrigger=PropertyChanged
                                           }"
                                 Value="False">
                        <Setter Property="ItemsSource"
                                Value="{Binding Source={StaticResource Enum2Provider}}"/>
                    </DataTrigger>
                </Style.Triggers>
            </Style>
        </ListBox.Style>
    </ListBox>
    <!-- Toggle Button -->
    <Button Height="29"
            Margin="94,45.44,59,0" 
            Name="button1" 
            VerticalAlignment="Top" 
            Click="button1_Click"
            Content="ToggleItemSource" />
</Grid>

    <ObjectDataProvider ObjectType="{x:Type sys:Enum}"
                        MethodName="GetValues"
                        x:Key="Enum2Provider">
        <ObjectDataProvider.MethodParameters>
            <x:TypeExtension Type="{x:Type local:Enum2}" />
        </ObjectDataProvider.MethodParameters>
    </ObjectDataProvider>
</Window.Resources>
<Grid>
    <!-- ListBox-->
    <ListBox x:Name="DynamicListBox"
             Padding="10" HorizontalAlignment="Left" Width="52" Margin="20,21,0,115">
        <ListBox.Style>
            <Style TargetType="{x:Type ListBox}">
                <Setter Property="ItemsSource"
                        Value="{Binding Source={StaticResource Enum1Provider}}"/>
                <Style.Triggers>
                    <DataTrigger Binding="{Binding Path=ToggleItemSource,
                                                   UpdateSourceTrigger=PropertyChanged
                                           }"
                                 Value="False">
                        <Setter Property="ItemsSource"
                                Value="{Binding Source={StaticResource Enum2Provider}}"/>
                    </DataTrigger>
                </Style.Triggers>
            </Style>
        </ListBox.Style>
    </ListBox>
    <!-- Toggle Button -->
    <Button Height="29"
            Margin="94,45.44,59,0" 
            Name="button1" 
            VerticalAlignment="Top" 
            Click="button1_Click"
            Content="ToggleItemSource" />
</Grid>

以下是我是如何做到的
1） 代码隐藏（带有两个枚举）

    <ObjectDataProvider ObjectType="{x:Type sys:Enum}"
                        MethodName="GetValues"
                        x:Key="Enum2Provider">
        <ObjectDataProvider.MethodParameters>
            <x:TypeExtension Type="{x:Type local:Enum2}" />
        </ObjectDataProvider.MethodParameters>
    </ObjectDataProvider>
</Window.Resources>
<Grid>
    <!-- ListBox-->
    <ListBox x:Name="DynamicListBox"
             Padding="10" HorizontalAlignment="Left" Width="52" Margin="20,21,0,115">
        <ListBox.Style>
            <Style TargetType="{x:Type ListBox}">
                <Setter Property="ItemsSource"
                        Value="{Binding Source={StaticResource Enum1Provider}}"/>
                <Style.Triggers>
                    <DataTrigger Binding="{Binding Path=ToggleItemSource,
                                                   UpdateSourceTrigger=PropertyChanged
                                           }"
                                 Value="False">
                        <Setter Property="ItemsSource"
                                Value="{Binding Source={StaticResource Enum2Provider}}"/>
                    </DataTrigger>
                </Style.Triggers>
            </Style>
        </ListBox.Style>
    </ListBox>
    <!-- Toggle Button -->
    <Button Height="29"
            Margin="94,45.44,59,0" 
            Name="button1" 
            VerticalAlignment="Top" 
            Click="button1_Click"
            Content="ToggleItemSource" />
</Grid>

XAML

<Window x:Class="Listbox_with_dynamic_data_source.Window1"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:sys="clr-namespace:System;assembly=mscorlib"
xmlns:local="clr-namespace:Listbox_with_dynamic_data_source"
Title="Window1" Height="300" Width="300">

    <ObjectDataProvider ObjectType="{x:Type sys:Enum}"
                        MethodName="GetValues"
                        x:Key="Enum2Provider">
        <ObjectDataProvider.MethodParameters>
            <x:TypeExtension Type="{x:Type local:Enum2}" />
        </ObjectDataProvider.MethodParameters>
    </ObjectDataProvider>
</Window.Resources>
<Grid>
    <!-- ListBox-->
    <ListBox x:Name="DynamicListBox"
             Padding="10" HorizontalAlignment="Left" Width="52" Margin="20,21,0,115">
        <ListBox.Style>
            <Style TargetType="{x:Type ListBox}">
                <Setter Property="ItemsSource"
                        Value="{Binding Source={StaticResource Enum1Provider}}"/>
                <Style.Triggers>
                    <DataTrigger Binding="{Binding Path=ToggleItemSource,
                                                   UpdateSourceTrigger=PropertyChanged
                                           }"
                                 Value="False">
                        <Setter Property="ItemsSource"
                                Value="{Binding Source={StaticResource Enum2Provider}}"/>
                    </DataTrigger>
                </Style.Triggers>
            </Style>
        </ListBox.Style>
    </ListBox>
    <!-- Toggle Button -->
    <Button Height="29"
            Margin="94,45.44,59,0" 
            Name="button1" 
            VerticalAlignment="Top" 
            Click="button1_Click"
            Content="ToggleItemSource" />
</Grid>

    <ObjectDataProvider ObjectType="{x:Type sys:Enum}"
                        MethodName="GetValues"
                        x:Key="Enum2Provider">
        <ObjectDataProvider.MethodParameters>
            <x:TypeExtension Type="{x:Type local:Enum2}" />
        </ObjectDataProvider.MethodParameters>
    </ObjectDataProvider>
</Window.Resources>
<Grid>
    <!-- ListBox-->
    <ListBox x:Name="DynamicListBox"
             Padding="10" HorizontalAlignment="Left" Width="52" Margin="20,21,0,115">
        <ListBox.Style>
            <Style TargetType="{x:Type ListBox}">
                <Setter Property="ItemsSource"
                        Value="{Binding Source={StaticResource Enum1Provider}}"/>
                <Style.Triggers>
                    <DataTrigger Binding="{Binding Path=ToggleItemSource,
                                                   UpdateSourceTrigger=PropertyChanged
                                           }"
                                 Value="False">
                        <Setter Property="ItemsSource"
                                Value="{Binding Source={StaticResource Enum2Provider}}"/>
                    </DataTrigger>
                </Style.Triggers>
            </Style>
        </ListBox.Style>
    </ListBox>
    <!-- Toggle Button -->
    <Button Height="29"
            Margin="94,45.44,59,0" 
            Name="button1" 
            VerticalAlignment="Top" 
            Click="button1_Click"
            Content="ToggleItemSource" />
</Grid>

---

单击“切换项目源”按钮将切换项目源

当我绑定到viewmodel时，我能够制作您示例的简化版本。非常感谢。不客气。我只是觉得扳机有很多限制。也许我们可以再问一个问题，谢谢。最后，我按照你的建议使用了

RadioButton

s。谢谢你的时间，但我找到了一个更简单的答案。我觉得有必要为你付出的努力投一票。至少对我有帮助。

    <ObjectDataProvider ObjectType="{x:Type sys:Enum}"
                        MethodName="GetValues"
                        x:Key="Enum2Provider">
        <ObjectDataProvider.MethodParameters>
            <x:TypeExtension Type="{x:Type local:Enum2}" />
        </ObjectDataProvider.MethodParameters>
    </ObjectDataProvider>
</Window.Resources>
<Grid>
    <!-- ListBox-->
    <ListBox x:Name="DynamicListBox"
             Padding="10" HorizontalAlignment="Left" Width="52" Margin="20,21,0,115">
        <ListBox.Style>
            <Style TargetType="{x:Type ListBox}">
                <Setter Property="ItemsSource"
                        Value="{Binding Source={StaticResource Enum1Provider}}"/>
                <Style.Triggers>
                    <DataTrigger Binding="{Binding Path=ToggleItemSource,
                                                   UpdateSourceTrigger=PropertyChanged
                                           }"
                                 Value="False">
                        <Setter Property="ItemsSource"
                                Value="{Binding Source={StaticResource Enum2Provider}}"/>
                    </DataTrigger>
                </Style.Triggers>
            </Style>
        </ListBox.Style>
    </ListBox>
    <!-- Toggle Button -->
    <Button Height="29"
            Margin="94,45.44,59,0" 
            Name="button1" 
            VerticalAlignment="Top" 
            Click="button1_Click"
            Content="ToggleItemSource" />
</Grid>