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Contrôles ActiveX en VFP
>With VFP 7.0 in Windows 2000 i am trying to send data to a POS display connected to serial port 1 with the following code:
>
>* Comm 1 with 9600 baud, no parity, 8 data, and 1 stop bit.
>mscomm1.CommPort = 1
>mscomm1.Settings = "9600,n,8,1"
>mscomm1.PortOpen = .t.
>mscomm1.Output = CHR(12) + "test..."
>mscomm.PortOpen = .f.
>
>But i receive an error message when the program tries to open the door, this is the message: "OLE IDispatch exception code 0 from MSComm: Could not set comm state, there may be one or more invalid communications parameters...".
>
>Why did this happened? the port is really serial port 1, and i think that the parameters are OK, at least when i print a test page from the printer driver (i also defined this POS display as a printer), with the same parameters this display works well.
>
>Somebody help me...
>
>Thank you
What is CHR(12) ?
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