Events
May 19, 6 PM - May 23, 12 AM
Calling all developers, creators, and AI innovators to join us in Seattle @Microsoft Build May 19-22.
Register todayNote
Access to this page requires authorization. You can try signing in or changing directories.
Access to this page requires authorization. You can try changing directories.
The following functions are used with communications resources.
| Function | Description |
|---|---|
| BuildCommDCB | Fills a specified DCB structure with values specified in a device-control string. |
| BuildCommDCBAndTimeouts | Translates a device-definition string into appropriate device-control block codes and places them into a device control block. |
| ClearCommBreak | Restores character transmission for a specified communications device and places the transmission line in a nonbreak state. |
| ClearCommError | Retrieves information about a communications error and reports the current status of a communications device. |
| CommConfigDialog | Displays a driver-supplied configuration dialog box. |
| EscapeCommFunction | Directs a specified communications device to perform an extended function. |
| GetCommConfig | Retrieves the current configuration of a communications device. |
| GetCommMask | Retrieves the value of the event mask for a specified communications device. |
| GetCommModemStatus | Retrieves modem control-register values. |
| GetCommProperties | Retrieves information about the communications properties for a specified communications device. |
| GetCommState | Retrieves the current control settings for a specified communications device. |
| GetCommTimeouts | Retrieves the time-out parameters for all read and write operations on a specified communications device. |
| GetDefaultCommConfig | Retrieves the default configuration for the specified communications device. |
| PurgeComm | Discards all characters from the output or input buffer of a specified communications resource. |
| SetCommBreak | Suspends character transmission for a specified communications device and places the transmission line in a break state. |
| SetCommConfig | Sets the current configuration of a communications device. |
| SetCommMask | Specifies a set of events to be monitored for a communications device. |
| SetCommState | Configures a communications device according to the specifications in a device-control block. |
| SetCommTimeouts | Sets the time-out parameters for all read and write operations on a specified communications device. |
| SetDefaultCommConfig | Sets the default configuration for a communications device. |
| SetupComm | Initializes the communications parameters for a specified communications device. |
| TransmitCommChar | Transmits a specified character ahead of any pending data in the output buffer of the specified communications device. |
| WaitCommEvent | Waits for an event to occur for a specified communications device. |