void CCaputretestDlg::OnButton1()
{
// TODO: Add your control notification handler code here
RECT rect;
rect.left=0;
rect.top=0;
rect.right=200;
rect.bottom=200;
CopyScreenToBitmap(&rect);
}
HBITMAP CCaputretestDlg::CopyScreenToBitmap(LPRECT lpRect)
{
HDC hScrDC, hMemDC;
HBITMAP hBitmap, hOldBitmap;
int nX, nY, nX2, nY2;
int nWidth, nHeight;
hScrDC = CreateDC("DISPLAY", NULL, NULL, NULL);
hMemDC = CreateCompatibleDC(hScrDC);
nX = lpRect->left;
nY = lpRect->top;
nX2 = lpRect->right;
nY2 = lpRect->bottom;
nWidth = nX2 - nX;
nHeight = nY2 - nY;
hBitmap = CreateCompatibleBitmap(hScrDC, nWidth, nHeight);
hOldBitmap = (HBITMAP)SelectObject(hMemDC, hBitmap);
BitBlt(hMemDC, 0, 0, nWidth, nHeight,hScrDC, nX, nY, SRCCOPY);
hBitmap = (HBITMAP)SelectObject(hMemDC, hOldBitmap);
DeleteDC(hScrDC);
DeleteDC(hMemDC);
if (OpenClipboard())
{
EmptyClipboard();
SetClipboardData(CF_BITMAP, hBitmap);
CloseClipboard();
}
return hBitmap;
}
屏幕拷贝到了剪切板，可到画图程序中ctrl+v查看，如果要保存，请自己添加程序
参考：http://www.vckbase.com/document/viewdoc/?id=1671（QQ 静态截图程序模拟实现
）VC知识库在线杂志，第48期，QQ 静态截图完善实现之改造 CRectTracker 类，QQ 静态截图程序模拟实现