#include "highgui.h"
int main(int argc, char* argv[])
{
   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" );
}

#include "highgui.h"
int main(int argc, char* argv[])
{
 IplImage* img = cvLoadImage("Image.bmp"); //Load the image
 cvNamedWindow( "Example", CV_WINDOW_AUTOSIZE );// Create a window
 cvShowImage( "Example", img ); //Display the image
 
 cvWaitKey(0); //Wait until user a key will be pressed
 
 //Free memory
 cvReleaseImage( &img );
 cvDestroyWindow("Example");
}