如何正确绑定菜单项？

发布于 2024-11-14 02:31:30 字数 711 浏览 3 评论 0原文

如何正确绑定动态创建的菜单项列表。我尝试了几件事，但似乎都不起作用。我得到了正确的名称列表，但是我的 ViewSwitchCommand 似乎没有正确触发。

<MenuItem Foreground="White" Header="Names" ItemsSource="{Binding Player.ToonNames}" Command="{Binding ViewSwitchCommand}" CommandParameter="{Binding Header}"/>

但是，如果我不动态地执行此操作并像这样执行操作，那么一切都会正常工作，可以使其正常工作

<MenuItem Foreground="White" Header="Names">
<MenuItem Foreground="Black" Header="Chat" Command="{Binding ViewSwitchCommand}"     CommandParameter="player1" />
<MenuItem Foreground="Black" Header="Craft" Command="{Binding ViewSwitchCommand}" CommandParameter="player2" />
</MenuItem>

命令参数需要一个字符串..不确定是否是这样...希望这是简单的事情我只是俯瞰

原文

How do i correctly bind a dynamical created list of menu items. I have tried several thing but none seem to work. I get the proper list of names, however my ViewSwitchCommand does not seem to fire correctly.

<MenuItem Foreground="White" Header="Names" ItemsSource="{Binding Player.ToonNames}" Command="{Binding ViewSwitchCommand}" CommandParameter="{Binding Header}"/>

However if i don't do it dynamically and do it like this then everything works just fine can get it to work

<MenuItem Foreground="White" Header="Names">
<MenuItem Foreground="Black" Header="Chat" Command="{Binding ViewSwitchCommand}"     CommandParameter="player1" />
<MenuItem Foreground="Black" Header="Craft" Command="{Binding ViewSwitchCommand}" CommandParameter="player2" />
</MenuItem>

The command parameter expects a string.. not sure if that is it... hopefully this is something simple i'm just overlooking

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夏末染殇 2024-11-21 02:31:30

这段代码对我有用：

<MenuItem Header="Names" ItemsSource="{Binding Player.ToonNames}">
    <MenuItem.ItemContainerStyle>
        <Style TargetType="MenuItem">
            <Setter Property="Command" Value="{Binding RelativeSource={RelativeSource Mode=FindAncestor, AncestorType=MenuItem}, Path=DataContext.ViewSwitchCommand}" />
            <Setter Property="CommandParameter" Value="{Binding}" />
        </Style>
    </MenuItem.ItemContainerStyle>
</MenuItem>

This code works for me:

<MenuItem Header="Names" ItemsSource="{Binding Player.ToonNames}">
    <MenuItem.ItemContainerStyle>
        <Style TargetType="MenuItem">
            <Setter Property="Command" Value="{Binding RelativeSource={RelativeSource Mode=FindAncestor, AncestorType=MenuItem}, Path=DataContext.ViewSwitchCommand}" />
            <Setter Property="CommandParameter" Value="{Binding}" />
        </Style>
    </MenuItem.ItemContainerStyle>
</MenuItem>

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