/// <summary> /// /// </summary> /// <param name="m"></param> /// <param name="rowRange"></param> /// <param name="colRange"></param> public GpuMat(GpuMat m, CvSlice rowRange, CvSlice colRange) { if (m == null) { throw new ArgumentNullException("m"); } ptr = GpuInvoke.GpuMat_new9(m.CvPtr, rowRange, colRange); if (ptr == IntPtr.Zero) { throw new OpenCvSharpException(); } }