我正在努力实现以下目标：
<Style TargetType="ListBoxItem">
<Setter Property="ContextMenu">
<Setter.Value>
<ContextMenu>
<MenuItem Name="mnuEdit" Header="_Edit" Click="MenuItem_Click" />
</ContextMenu>
</Setter.Value>
</Setter>
<Style>
但它抛出以下异常：
Cannot add content of type 'System.Windows.Controls.ContextMenu'
to an object of type 'System.Object'.
Error at object 'System.Windows.Controls.ContextMenu'
in markup file blah blah blah
试试这个：
<ContextMenu x:Key="contextMenu">
<MenuItem Name="mnuEdit" Header="_Edit" Click="MenuItem_Click" />
</ContextMenu>
<Style TargetType="ListBoxItem">
<Setter Property="ContextMenu" Value="{DynamicResource contextMenu}" />
</Style>
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