Serial Framework
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TwclSerialDtrControl Enumeration

Specifies the DTR (data-terminal-ready) input flow control.

Syntax
Pascal
TwclSerialDtrControl = (
  dtrControlDisable,
  dtrControlEnable,
  dtrControlHandshake
);
Members 
Description 
dtrControlDisable 
Lowers the DTR line when the device is opened. The application can adjust the state of the line with EscapeCommFunction.  
dtrControlEnable 
Raises the DTR line when the device is opened. The application can adjust the state of the line with EscapeCommFunction.  
dtrControlHandshake 
Enables DTR flow-control handshaking. If this value is used, it is an error for the application to adjust the line with EscapeCommFunction.  
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