技术文档MQL5参考标准程序库面板和对话框CWndContainerMouseFocusKillMouseFocusKillMouseFocusKill清除保存的鼠标按钮状态并解除容器内控件激活。bool MouseFocusKill( const long id=CONTROLS_INVALID_ID // id )参数 id=CONTROLS_INVALID_ID[输入] 接收鼠标焦点的控件标识符。返回值 控件解除激活结果。HideSave