如何在ATL中显示一张BMP图片

Question

如题，设备pdc

Answer 1

这和ATL没有什么关系.你在MFC中怎么做的?直接使用API怎么做的就怎么做.

Answer 2

ATL是模板库,显示BMP用API就行了.

Answer 3

HRESULT CRPT2::OnDraw(ATL_DRAWINFO &di)
{
RECT& rect = *(RECT*)di.prcBounds;
HDC dc = di.hdcDraw;
HDC dcmem = ::CreateCompatibleDC(dc);
int width = rect.right-rect.left;
int height = rect.bottom-rect.top;
HBITMAP hbmpdraw = ::CreateCompatibleBitmap(dcmem,width,height);
HBITMAP hbmpold = (HBITMAP)::SelectObject(dcmem,hbmpdraw);
SelectObject( dcmem, GetStockObject(BLACK_BRUSH) );
Rectangle(dcmem, 0,0,width, height);
//more drawing here
BitBlt(dc,0,0,width,height,dcmem,0,0,SRCCOPY);
SelectObject(dcmem,hbmpold);
DeleteObject(hbmpdraw);
DeleteObject(dcmem); return S_OK;
}

Answer 4

to:masterz你的代码，bmp的文件名或资源ID在哪里传进去呢？