wcl |
| Member name | Value | Description |
|---|---|---|
| dtrControlDisable | 0 | Lowers the DTR line when the device is opened. The application can adjust the state of the line with EscapeCommFunction. |
| dtrControlEnable | 1 | Raises the DTR line when the device is opened. The application can adjust the state of the line with EscapeCommFunction. |
| dtrControlHandshake | 2 | Enables DTR flow-control handshaking. If this value is used, it is an error for the application to adjust the line with EscapeCommFunction. |