LEADTOOLS ePrint 5 C DLL provides several callback functions that allow the user to do the following:
Get a print job as an EMF data file or DIB.
Customize the ePrint user interface.
Get print job information.
Get the file save status.
These callback functions are:
Before using these callback functions, they must first be registered using the L_EpnRegisterCallback function. The type of callback function to register is determined by the nType parameter of the L_EpnRegisterCallback function.
When the user no longer needs the callback functions to be fired, they should be unregistered by calling the L_EpnUnRegisterCallback function.