WPF Behavior InvokeCommandAction Command CommandParameter
//xaml <behavior:Interaction.Triggers> <behavior:EventTrigger EventName="MouseWheel" SourceObject="{Binding ElementName=img}"> <behavior:InvokeCommandAction Command="{Binding MouseWheelCmd}" PassEventArgsToCommand="True" CommandParameter="{Binding RelativeSource={RelativeSource AncestorType=MouseButton}}" > </behavior:InvokeCommandAction> </behavior:EventTrigger> </behavior:Interaction.Triggers> //cs private void InitCmds() { MouseWheelCmd =new DelCmd(MouseWheelCmdExecuted,MouseWheelCmdCanExecuted); } private bool MouseWheelCmdCanExecuted(object obj) { return true; } private void MouseWheelCmdExecuted(object obj) { var mouseWheelEventArgs=obj as MouseWheelEventArgs; if(mouseWheelEventArgs != null) { //TO DO } }
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