<>调用后输出直接为1，但是中间的创建窗口，连接设备等的语句都没有运行。</P>
<>程序如下：
HANDLE ghInstance; // application instance
HWND hwndMain; // main window handle
HWND hwndSelCapDrvDlg; // Select the capture driver dialog
CAPDRIVERCAPS CapDrvCaps; // driver capabilities</P>

<>BOOL _stdcall DllMain( HINSTANCE histDLL,
                       DWORD  fdwReason,
                       LPVOID lpReserved
)
{
    return TRUE;
}</P>
<P>
long int _declspec(dllexport) CaptureBMP()
{
  hwndMain = capCreateCaptureWindow(
      "Super Video",
      WS_CHILD|WS_VISIBLE,
      0,
      0,
      320,
      240,
      NULL,
      1
       );
int sel = 0;
SendMessage( hwndMain, WM_CAP_DRIVER_CONNECT, sel, 0L);
char name[100];
strcpy(name,"Bpic");
strcat(name,".bmp");
capFileSaveDIB(hwndMain, name);
SendMessage(hwndMain,WM_SYSCOMMAND,SC_CLOSE,0);
return 1;</P>
<P>}
</P>

bright

呵呵,你在编译的时候有个东东忘记选了吧,再看看吧,自已捡查出来的比我们告诉你的要有用一些哦[em05]