1. Clear Serial Buffer

Hi, I am coding a Windows Form Application in VB.NET 2008. I would like to clear the keyboard buffer or at least empty all outstanding key presses queued up for my application at certain points in my program. This blog is the closest thing I’ve found for a problem similar to mineI have a vb.net app (.net 4) which writes serial data (no more than 10 bytes, via System.IO.Ports.SerialPort) and there seems to be a delay in the send. ' Use this code inside a project created with the Visual Basic > Windows Desktop > Console Application template. ' Replace the default code in Module1.vb with this code. Gets the state of the Clear-to-Send line. Discards data from the serial driver's receive buffer. DiscardOutBuffer() DiscardOutBuffer(). Cancer biology roger king pdf creator.

Module Module1 Sub Main() 'New a MSComm control Dim MSComm1 As MSComm MSComm1 = New MSComm ' Buffer to hold input string. Dim Buffer As String ' Use the COM1 serial port. MSComm1.CommPort = 1 ' 9600 baud, no parity, 8 data, and 1 stop bit. MSComm1.Settings = '9600,N,8,1' ' Tell the control to read the whole buffer when Input is used. MSComm1.InputLen = 0 ' Open the serial port. MSComm1.PortOpen = True Console.WriteLine('Open the serial port.' ) ' Tell the control to make the Input property return text data.

MSComm1.InputMode() = InputModeConstants.comInputModeText 'Clear the receive buffer. MSComm1.InBufferCount() = 0 ' Send the attention command to the modem. Advanced email extractor ?.

MSComm1.Output = 'ATV1Q0' & Chr(13) Console.WriteLine('Send the attention command to the modem.' ) Console.WriteLine('Wait for the data to come back to the serial port.' ) ' Make sure that the modem responds with 'OK'. ' Wait for the data to come back to the serial port. Do Buffer = Buffer & MSComm1.Input Loop Until InStr(Buffer, 'OK' & vbCrLf) ' Read the 'OK' response data in the serial port. ' Close the serial port. Console.WriteLine('Read the OK response data in the serial port.'

Communicating via Serial Port with Visual Basic.NET Program. How do I clear the SerialPort on the BS2? The BASIC Stamps module does not have a serial buffer.

Clear Serial Buffer

) MSComm1.PortOpen = False Console.WriteLine('Close the serial port.' ) End Sub End Module I have registrered the MSComm32.ocx I have added MS Comm Control I get the persistent error Type 'MSComm' is not defined (line 9) Type 'MSComm' is not defined (line 10) 'Input ModeConstants' is not declared (line 23) (These lines might not be exact the same as I have typed above) Can anyone get me past this??? Much appreciated Foxegg RE: Type 'MSComm' is not defined -- error (Programmer) 15 Jul 06 14:38. Dim MSComm as Object MSComm = CreateObject('MSCommlib.MSComm') Which I did and it gave the same error report!!! That is it did nothing to help. Is that what you mean by 'Did you include the Imports MSCommLib?' I would not know how to include it otherwise.