Locks the specified LEADTOOLS Virtual Printer Driver to prevent applications from directly printing to it.
L_LTPRINTER_API L_INT EXT_FUNCTION L_PrnLockPrinter(pszPrinterName, pszPassword)
Character string that contains the printer's name.
Character string that contains the printer administrative password.
|SUCCESS||The function was successful.|
|< 1||An error occurred. Refer to Return Codes.|
The value of pszPassword parameter must be the same as the value of PRNPRINTERINFO.pszPassword member used when the printer was installed using the L_PrnInstallPrinter function.
To unlock the specified LEADTOOLS Virtual Printer Driver and enable applications to print directly to it, call the L_PrnUnlockPrinter function.
To check whether applications were prevented from directly printing to the specified LEADTOOLS Virtual Printer Driver, call the L_PrnIsPrinterLocked function.
For an example, refer to L_PrnInstallPrinter.
Direct Show .NET | C API | Filters
Media Foundation .NET | C API | Transforms