Chapter 3 Application Development Information 3 55 Level Program name Specification Language C++ C# VB.NET Basic Step 5. Call-back process When the condition of the printe r changes, the printer can caus e actions to occur in the application, and executes error handling. — Complete basic features The program from Step 1 to 5 Advanced Monitoring the printer status and controlling print jobs Cancels a print job when a pape r end is detected. — DEVMODE Executes a 90-degree rotation o r changes the number of copies in th e application. — Changes the number of copies i n the application. — Obtaining the print com- pletion Acquires the print completion.