MFC获取屏幕大小及像素信息

小咪咪 2022-08-27 03:48 370阅读 0赞

COLORREFclr;
HDCdc = GetDC(0);
maxW= ::GetSystemMetrics( SM_CXSCREEN );
maxH= ::GetSystemMetrics( SM_CYSCREEN );
for( int i = 0; i < nMaxSnow; i++ ){
snow[i].x = snow[i].prex = rand() % maxW;
snow[i].y = snow[i].prey = rand() % maxH;
snow[i].preclr = snow[i].clr = ::GetPixel( dc,snow[i].x,snow[i].y );
snow[i].stepx = (rand()%2==1)?1:-1;
snow[i].stepy = (rand() % 5)+1;
}
::ReleaseDC(0,dc);

获取键盘按钮:

if(GetAsyncKeyState(VK_CONTROL) && GetAsyncKeyState(VK_F12 ))

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