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是否可以使用SendMessage向父窗口中的控件發送點擊消息?將點擊發送到小程序窗口中的自定義控件
顯然,下面似乎並不奏效
SendMessage(hParent, WM_LBUTTONDOWN, MK_LBUTTON, MAKELPARAM(x, y));
SendMessage(hParent, WM_LBUTTONUP, 0, MAKELPARAM(x, y));
//x and y are location of child control on parent applet window.