摘要:
IntPtr mbuffer = IntPtr.Zero;unsafe{GrabDlg.m_Buffers.GetAddress(out mbuffer); //读取图像数据的句柄byte* aa = (byte*)mbuffer.ToPointer();//把数据句柄转化为byte指针 for (int i = 0; i < GrabDlg.m_Buffers.Width; i++) //返回每个像素的灰度值{ int y = Convert.ToInt32(*aa);aa++;}} 阅读全文