m_BMPpaint.loadbitmap(IDB_XXX; //在第一步中加载资源的bitmap
//在步骤onpaint中跟踪
cpaintDCPDC(this;
CDC直流;
CBitmap memBitmap;
直流. createcompatibledc (空);
crect rect客户端;
getclientrect (rect客户端;
mem bitmap.createcompatiblebitmap (PDC,rectClient.Width ),rectClient.Height );
cbitmap * pold bit=DC.select object (mem bitmap );
位图Bm;
m_BMPpaint.getbitmap(BM;
DC.selectobject(m_BMPpaint;
:3360 transparent BLT (PDC.m_HDC,475,175,bm.bmWidth,bm.bmHeight,DC.m _ hdc,0,0,bm.bmWidth
注: RGB(255、255、255 )是图像的背景颜色
转载于:https://www.cn blogs.com/Wu Guoqiang/p/6573422.html