请问以下dll哪个可以 用于打开摄像头？？？


    CV.dll
   HighGUI.dll
   KERNEL32.dll
   USER32.dll
   GDI32.dll
   comdlg32.dll
    WINSPOOL.DRV
   ADVAPI32.dll
    COMCTL32.dll
    oledlg.dll
    ole32.dll
    OLEPRO32.DLL
   OLEAUT32.dll
    MSVFW32.dll请问这些dll哪个可以 用于打开摄像头？？？ 跟据以上的DLL是否可以判断出驱动摄像头是否是用DirectShow 做的?????????????