窗口淡入淡出

#define WINVER 0X500  // 放在所有头文件前#include <winuser.h> WM_CREATE   AnimateWindow(hwnd, 1000, AW_ACTIVATE|AW_BLEND);   InvalidateRect(hwnd, NULL, TRUE);   UpdateWindow(hwnd); WM_CLOSE   AnimateWindow(hwnd, 1000, AW_HIDE|AW_BLEND);