Vitaliy wrote:

> Is there a way to control the DTR and RTS lines directly? Say, if I wanted 
> to write a simple test app that had three buttons:
> 
> PORT ON/OFF
> DTR ON/OFF
> RTS ON/OFF

Hi Vitaliy,

Drop an ApdComPort onto your form. It'll default to the name 
ApdComPort1. To open the port, ApdComPort1.Open := True. To wiggle DTR, 
ApdComPort1.DTR := False (or True as you decide). Same for RTS, 
ApdComPort1.RTS := False.

So drop some buttons on your form and make their actions toggle True and 
False on the items you want to control.

If you don't choose a com port ahead of time, or the com port you have 
chosen is not valid, when you open the port it'll automatically pop up a 
chooser at run time.

Easy!

Cheers,

Bob
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