16樓 巨大八爪鱼
2016-4-27 10:17
// 返回值表示操作是否成功 BOOL ScrollDC(HDC hDC, int dx, int dy, const RECT *lprcScroll, const RECT *lprcClip, HRGN hrgnUpdate, LPRECT lprcUpdate); BOOL ScrollWindow(HWND hWnd, int XAmount, int YAmount, const RECT *lpRect, const RECT *lpClipRect);
// 返回值: 暴露出据矩形区域SIMPLEREGION,非矩形区域COMPLEXREGION,无暴露区域NULLREGION;操作失败ERROR int ScrollWindowEx(HWND hWnd, int dx, int dy, const RECT *prcScroll, const RECT *prcClip, HRGN hrgnUpdate, LPRECT prcUpdate, UINT flags);
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