求各位大神帮忙指导下 程序运行无误 但一直出现 Test.exe 已停止工作

此问题是读取USB摄像头  有的摄像头用这个程序没问题 ，有的却显示 Test.exe已停止工作

#include <cvcam.h>
#include <cv.h>
#include <highgui.h>
#include "stdio.h"
#include <windows.h>
#include "cxcore.h"

void callback(IplImage* image);
void main()
{
    HWND CaptureWindow1=0;

   int *CameraNumber;
   int nSelected = cvcamSelectCamera(&CameraNumber);

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        cvNamedWindow("cvcam1 Window",1);

        cvResizeWindow("cvcam1 Window",200,200);

        CaptureWindow1=(HWND)cvGetWindowHandle("cvcam1 Window");

        cvcamSetProperty(CameraNumber[0], CVCAM_PROP_ENABLE, CVCAMTRUE);

        cvcamSetProperty(CameraNumber[0], CVCAM_PROP_RENDER, CVCAMTRUE);

        cvcamSetProperty(CameraNumber[0], CVCAM_PROP_WINDOW, &CaptureWindow1);

    cvcamSetProperty(CameraNumber[0],CVCAM_PROP_CALLBACK,callback);

    cvcamInit();
    cvcamStart();
    while(2000)
    cvWaitKey(0);
    cvcamStop();
    cvcamExit();
    free(CameraNumber);
    cvDestroyWindow("cvcam1 Window");
}

void callback(IplImage* image)

{  

    IplImage* image1 = image;

    int i,j;

    assert (image);

    for(i=0; i<image1->height; i+=10)

    {  

        for(j=(image1->widthStep)*i; j<(image1->widthStep)*(i+1);  

        j+=image1->nChannels)  


        {  

            image1->imageData[j]   = (char)255;

            image1->imageData[j+1] = 0;

            image1->imageData[j+2] = 0;

        }  

     }

}