>While I don’t know how to set the VARIANT variable to sent instruct correctly >to the device through COM by MSComm.SetInput(), and change the VARIANT >variable get form the device by MSComm.GetOutput() correctly to the type I >want. The instruct I want to send the device is a string including 4 BYTEs, >and the data I get want to be changed into BYTE. >I also want to know the usage of ColeSafeArray and why should make it equal >to the VARIANT variable.
Take a look at COleSafeArray in the MSDN help system - there's plenty of information - have a go at using it as described, and then if you have problems with your code, come back to us with your own code samples so that we know what you tried. -- Jason Teagle [EMAIL PROTECTED]
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