cvNamedWindow( "Example2", CV_WINDOW_AUTOSIZE );
CvCapture* capture = cvCreateCameraCapture(0);
int width = (int)cvGetCaptureProperty(capture,CV_CAP_PROP_FRAME_WIDTH);
int height = (int)cvGetCaptureProperty(capture,CV_CAP_PROP_FRAME_HEIGHT);
IplImage* frame;
while(1){

frame = cvQueryFrame( capture );
if( !frame ) break;
cvShowImage( "Example2", frame );
char c = cvWaitKey(33);
if( c == 27 ) break;

}
cvReleaseCapture( &capture );
cvDestroyWindow( "Example2" );