Unlocks the specified printer and enables applications to print directly to it.
password
Printer administration password.
This method unlocks a printer that was previously locked using the Lock method.
The unlock password must be the same as the password that was used when the specified printer was installed.
To check whether applications were prevented from directly printing to the specified printer, use the IsPrinterLocked method.
Only printers that were originally created with a password can be locked.