一、通过双击或者快捷键触发Command事件

<Button Content="Button">
    <Button.InputBindings>
        <MouseBinding MouseAction="LeftDoubleClick"
                      Command="{Binding Btn1Command}"
                      CommandParameter="123"/>
        <KeyBinding Key="Q" Modifiers="Alt"
                    Command="{Binding Btn1Command}"
                    CommandParameter="123"/>
    </Button.InputBindings>
</Button>

MouseBinding 中的MouseAction还有如下操作：

单击鼠标左键 :LeftClick
双击鼠标左键:LeftDoubleClick
单击鼠标中键 :MiddleClick
双击鼠标中键:MiddleDoubleClick
单击鼠标右键:RightClick
双击鼠标右键:RightDoubleClick
不执行任何操作:None
旋转鼠标滚轮:WheelClick

出处：https://blog.csdn.net/songhuangong123/article/details/126317592