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Thanks, Droops. That is helpful information that I am a bit surprised I didn't know. I have never read a VB book, I am taught via the great Google, so I guess I miss these things. I do appreciate the info, it will help. -atunplatino

Beautiful. Thank you much; I suspected a flag was available but could not turn up any flag listings/definitions on msdn or google. -Atunplatino

Hello I am using VB6 and am trying to use the Common Dialog control to allow my user to name a file that the program is creating. The trouble is I cannot figure out how to generate an alert to the user if they have selected a filename that is already taken and are thus about to overwrite an...

Ok I have a working fix to the problem which is this: at the end of my OnComm routine, I simply check mscomm1.InBufferCount and if it has anything in it, I manually Call MsComm1_Oncomm again. Thus I do receive all the data but not neatly in a convenient byte array; in a textbox that I must then...

Ok; in text mode I do not experience any problems looping back long paragraphs without errors. But here is some of my binary mode code anyway: BTW this code does not include the basic mscomm settings like baud, open port, etc... First the send button Private Sub test1_Click() Dim...

Thanks for the help George. My RThreshold is indeed set to 1. This is the problem: MsComm fires one time and retrieves all data but 2 bytes. Then if I do a watch on the inbuffer, it still contains 2 bytes of data but MsComm does not fire again despite what MSDN claims. PS: also contrary to...

I am using VB6's MSCOMM (mode binary) to interface to the serial port. The specific question is; Has anybody else run into a problem where OnComm does not fire when there is data waiting in the receive buffer? Here is my broader application: When attempting a simple loopback test of sending...