WINCE 中vc的双缓存的实现
HBITMAPhbitmap,hOldBMP,hsysbmp,hbkbmp;HDChdcmem,hdcsys,hdcbkbmp;BITMAPbm;hsysbmp=CreateCompatibleBitmap(hdc,240,320);hdcsys=CreateCompatibleDC(hdc);SelectObject(hdcsys,hsysbmp);BitBlt(hdc,0,0,240,320,hdcsys,0,0,WHITENESS);hbkbmp=Load