Write data
// using System.Runtime.InteropServices; byte[] ReadBuffer = System.Text.Encoding.ASCII.GetBytes("Write Data"); IntPtr Ptr = Marshal.AllocHGlobal(ReadBuffer.GetLength(0)); Marshal.Copy(ReadBuffer, 0, Ptr, ReadBuffer.GetLength(0)); try { ftspcControl1.Write(Ptr, (uint)ReadBuffer.GetLength(0)); } catch (FTSPCException E) { MessageBox.Show("Error " + E.ErrorCode.ToString() + "\r\n" + E.ErrorSource, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error); }