Language monitor functions
The following table lists the functions that a language monitor must define.
| Function name | Description |
|---|---|
| DllEntryPoint | A DLL entry point, typically called DllMain. |
| ClosePort | Closes a port when there are no printers connected to it. |
| EndDocPort | Performs end-of-print-job tasks on a port. |
| GetPrinterDataFromPort | Optional. Polls a port for values that are stored in the registry. |
| InitializePrintMonitor2 | Initializes the print monitor and returns an instance handle. |
| OpenPortEx | Opens a port for a newly connected printer. |
| ReadPort | Reads data from a printer port. |
| "SendRecvBidiDataFromPort | Optional. Supports bidirectional communication between an application and a printer or print server. |
| Shutdown | Optional. Deletes a monitor instance. This function is required for cluster support. |
| StartDocPort | Performs the tasks required to start a print job on a port. |
| WritePort | Writes data to a printer port. |