Post By：2018-1-16 10:13:00 [只看该作者]
CRect rc;
CDC memDC;
CBitmap bmp; //内存中承载临时图象的位图
CDC* pDC = GetDC();
memDC.CreateCompatibleDC(pDC); //创建与目标DC相兼容的内存DC
if((Uartled_flag==0)&&(Uartled_flag2==0x5555))
{
bmp.LoadBitmap(IDB_BITMAP_Green_Led);
memDC.SelectObject(&bmp);//把位图选入内存DC
pDC->BitBlt(710,546,32,32,&memDC, 0, 0,SRCCOPY);// BitBlt绘图函数
bmp.DeleteObject();
}
else if((Uartled_flag==1)&&(Uartled_flag2==0x5555))
{
bmp.LoadBitmap(IDB_BITMAP_BLACK); //
memDC.SelectObject(&bmp);//把位图选入内存DC
pDC->BitBlt(710,546,32,32,&memDC, 0, 0,SRCCOPY);// BitBlt绘图函数
bmp.DeleteObject();
}
else
{
bmp.LoadBitmap(IDB_BITMAP_RED_LED);
memDC.SelectObject(&bmp);//把位图选入内存DC
pDC->BitBlt(710,546,32,32,&memDC, 0, 0,SRCCOPY);// BitBlt绘图函数
bmp.DeleteObject();
}
//com2画一个红色的圆
bmp.LoadBitmap(IDB_BITMAP_RED_LED);
memDC.SelectObject(&bmp);//把位图选入内存DC
pDC->BitBlt(710,570,32,32,&memDC, 0, 0,SRCCOPY);// BitBlt绘图函数
bmp.DeleteObject();
memDC.DeleteDC();
ReleaseDC(pDC);
