程式語言 - Visual C++ 6.0 - WM_CLOSE、WM_DESTROY、WM_QUIT


參考資訊：
https://stackoverflow.com/questions/3155782/what-is-the-difference-between-wm-quit-wm-close-and-wm-destroy-in-a-windows-pr

WM_CLOSE準備關閉，等待回應
WM_DESTROY開始關閉的動作
WM_QUIT清除Message Queue