IOCTL_SERIAL_CLR_RTS
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8/28/2008
This IOCTL sets the request to send (RTS) signal to low. It is used by the COM_IOControl function. The DeviceIoControl function executes this IOCTL.
Parameters
- dwOpenData
[in] Handle returned from a call to the COM_Open function.
- dwCode
[in] This IOCTL, IOCTL_SERIAL_CLR_RTS.
- pBufIn
Ignored.
- dwLenIn
Ignored.
- pBufOut
Ignored.
- dwLenOut
Ignored.
- pdwActualOut
Ignored.
Return Values
Returns TRUE if successful. Returns FALSE otherwise. To get extended error information, call GetLastError.
Requirements
| Header | pegdser.h |
| Windows Embedded CE | Windows CE 1.0 and later |