ReadArray Method
Reads specified number of bytes from serial port to array.
Syntax
Visual Basic .NET | Function ReadArray(ByRef DataBuffer As array of Byte, ByVal BytesToRead As UInt32) As UInt32 |
---|---|
Visual C# | UInt32 ReadArray(ref byte[] DataBuffer, UInt32 BytesToRead); |
Parameters
DataBuffer
[out] Array of received bytes
BytesToRead
[in, optional] Number of bytes to read from serial port
Return
Number of bytes read from serial port.
Errors
The method may throw exception. Refer to Handle errors sample for details.
Code Example
private void ftspcControl1_OnReceive(object Sender, uint Count) { try { uint ReadCount = 0; byte[] ReadBuffer = new byte[Count]; ReadCount = ftspcControl1.ReadArray(ref ReadBuffer); if (ReadCount > 0) { this.TextBox_Data.Text += System.Text.Encoding.ASCII.GetString( ReadBuffer ); } } catch (FTSPCException E) { MessageBox.Show("Error " + E.ErrorCode.ToString() + "\r\n" + E.ErrorSource, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error); } }