This Dll was developed to bring the developer an easy way to access low-level printer properties.
This is the properties list:
PrintersCount: Gets the total number of printers.
GetPrinterName: Gets the name of the printer based on his index.
GetDefPrinter: Gets the system default printer.
GetDuplex: Returns if printer duplex property is activated.
SetDuplex: Activate or Deactivate duplex printing.
GetPrinterJobs: Gets Job names from the selected printer.
GetDocExists: Looks if a specified job exists.
SetDefPrinter: Sets wich printer will be system default printer.
KillDoc: Deletes a job from the printer queue. | 
