robkeithd

I've got a Windows app written in C# that errors out when it is Run as Admin. I've boiled it down to setting the PaperSize on the printer. I've got a test app consisting of single form with two textboxes and in the Shown event I have the following code:

PrinterSettings ps = new PrinterSettings();
ps.PrinterName = "Microsoft XPS Document Writer";
textBox1.Text = ps.PrinterName;
textBox2.Text = ps.PaperSizes.Count.ToString();

When I run the app with a double click on the desktop icon I get the expected 106 for the count. If I right click the icon and select Run as Admin, the printer name is correct but the count is zero.

Part of my full app relies on reading the PaperSizes so the issue of not finding any when running as admin is causing some problems. This only seems to be an issue on 64 bit Vista. Have reproduced it on two 64 bit boxes but don't have the problem on a 32 bit Vista or XP 32 or XP 64.

Any help on this would be greatly appreciated

Thanks