void CProView::OnDraw(CDC* pDC)
{
CProDoc* pDoc = GetDocument();
ASSERT_VALID(pDoc);
///////////////////////////////////////////////////////////////////////////////////////////////////////////////贴图
CBitmap bitmap;
bitmap.LoadBitmap(IDB_BITMAP1);
CDC dcMemory;
dcMemory.CreateCompatibleDC(pDC);
// Select the bitmap into the in-memory DC
CBitmap* pOldBitmap = dcMemory.SelectObject(&bitmap);
// Find a centerpoint for the bitmap in the client area
RECT rect;
GetClientRect(&rect);
// Copy the bits from the in-memory DC into the on-
// screen DC to actually do the painting. Use the centerpoint
// we computed for the target offset.
pDC->BitBlt(0, 0, rect.right, rect.bottom, &dcMemory,0, 0, SRCCOPY);
dcMemory.SelectObject(pOldBitmap);
}