我的代码如下
HBITMAP hBmp = (HBITMAP)LoadImage(AfxGetInstanceHandle(), m_strFileName, IMAGE_BITMAP,
0, 0, LR_LOADFROMFILE | LR_CREATEDIBSECTION);
if (hBmp == NULL)
{
return;
} CWnd *hWnd = GetDlgItem(IDC_PIC); CRect rc;
hWnd->GetClientRect(&rc);
BITMAP bmp;
HDC hDesDC = hWnd->GetDC()->m_hDC;
HDC hSrcDC = CreateCompatibleDC(hDesDC);
GetObject(hBmp, sizeof BITMAP, &bmp);
::SetStretchBltMode(hDesDC, COLORONCOLOR);
::StretchBlt(hDesDC, rc.top, rc.left, rc.right, rc.bottom
,hSrcDC, 0, 0, bmp.bmWidth, bmp.bmHeight, +SRCCOPY);
DeleteDC(hDesDC);
DeleteDC(hSrcDC);
DeleteObject(hBmp);
运行程序啥都没有,求解……
HBITMAP hBmp = (HBITMAP)LoadImage(AfxGetInstanceHandle(), m_strFileName, IMAGE_BITMAP,
0, 0, LR_LOADFROMFILE | LR_CREATEDIBSECTION);
if (hBmp == NULL)
{
return;
} CWnd *hWnd = GetDlgItem(IDC_PIC); CRect rc;
hWnd->GetClientRect(&rc);
BITMAP bmp;
HDC hDesDC = hWnd->GetDC()->m_hDC;
HDC hSrcDC = CreateCompatibleDC(hDesDC);
GetObject(hBmp, sizeof BITMAP, &bmp);
::SetStretchBltMode(hDesDC, COLORONCOLOR);
::StretchBlt(hDesDC, rc.top, rc.left, rc.right, rc.bottom
,hSrcDC, 0, 0, bmp.bmWidth, bmp.bmHeight, +SRCCOPY);
DeleteDC(hDesDC);
DeleteDC(hSrcDC);
DeleteObject(hBmp);
运行程序啥都没有,求解……
CBitmap m_BkGndBmp;
m_BkGndBmp.LoadBitmap(IDB_BITMAP_BK);
BOOL CPictureDlg::OnEraseBkgnd(CDC* pDC)
{
// TODO: Add your message handler code here and/or call default
CRect rcrect;
GetClientRect(&rcrect);
BITMAP bm;
m_BkGndBmp.GetBitmap(&bm);
CDC memDC;
memDC.CreateCompatibleDC(pDC);
CBitmap* pOldBmp=memDC.SelectObject(&m_BkGndBmp);
pDC->StretchBlt(0,0,rcrect.Width(),rcrect.Height(),&memDC,0,0,bm.bmWidth,bm.bmHeight,SRCCOPY);
memDC.SelectObject(pOldBmp);
memDC.DeleteDC();
return TRUE;
//return CDialog::OnEraseBkgnd(pDC);
}
HBITMAP hBmp = (HBITMAP)LoadImage(NULL, m_strFileName, IMAGE_BITMAP,
0, 0, LR_LOADFROMFILE | LR_CREATEDIBSECTION);
不用这么麻烦的,用下面的代码试试:
HBITMAP hBmp = (HBITMAP)LoadImage(AfxGetInstanceHandle(), m_strFileName, IMAGE_BITMAP, 0, 0, LR_LOADFROMFILE | LR_CREATEDIBSECTION);
if (hBmp == NULL)
{
return;
}
CStatic *hWnd = GetDlgItem(IDC_PIC);
hWnd->SetBitmap(hBmp);
http://blog.csdn.net/xianglitian/archive/2010/11/20/6023656.aspx