PFNGLGETVIDEOCAPTUREIVNVPROCDart typedef
        PFNGLGETVIDEOCAPTUREIVNVPROCDart =
     void Function(int videoCaptureSlot, int pname, Pointer<Int32>  params)
    
    
    
Implementation
typedef PFNGLGETVIDEOCAPTUREIVNVPROCDart =
    void Function(int videoCaptureSlot, int pname, Pointer<Int32> params);