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#VISUAL BASIC POWER PACK 2015 PRINTING HOW TO#

In VB.NET it’s the Printer.PaperBin or RawKind property)

SetTray (sets the default printer tray to a tray number.

The final code for the tray change routine is here (it’s in VB.NET but easily translated into C#). It seems that by default it uses Ansi encoding and the data is messed up. I had no success until I set the CharSet attribute to Auto encoding for the API structures. NET world using marshalling (using System.Marshal namespace and its methods).

I used many blogs and forum posts for a source, which I list here:įinally, the solution involved coaxing the Win32 API structures into the. Indeed, there is a winspool.drv library that has the necessary functions to change several printer parameters.

The change just sticks to the application’s session lifetime. The problem that they were facing was that the VB.NET Compatibility Power Pack’s Printer object (used to simulate the equivalent object in VB6) didn’t change the default paper bin (or tray) for the printer. The customer had a VB.NET application that spawns Adobe Reader via command line options to force a specific PDF file to be printed on a specified printer (using the “semi-clandestine” /t switch). Yesterday I was challenged with a task that seemed trivial but it was a real pain to solve.

#VISUAL BASIC POWER PACK 2015 PRINTING HOW TO#

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