[Mono-bugs] [Bug 82591][Min] New - Win32 PrinterSettings.InstalledPrinters missing connected network printers

bugzilla-daemon at bugzilla.ximian.com bugzilla-daemon at bugzilla.ximian.com
Sat Aug 25 06:28:54 EDT 2007


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Changed by andyhume32 at yahoo.co.uk.

http://bugzilla.ximian.com/show_bug.cgi?id=82591

--- shadow/82591	2007-08-25 06:28:54.000000000 -0400
+++ shadow/82591.tmp.7957	2007-08-25 06:28:54.000000000 -0400
@@ -0,0 +1,56 @@
+Bug#: 82591
+Product: Mono: Class Libraries
+Version: 1.2
+OS: 
+OS Details: XP SP 2
+Status: NEW   
+Resolution: 
+Severity: 
+Priority: Minor
+Component: Sys.Drawing.
+AssignedTo: mono-bugs at ximian.com                            
+ReportedBy: andyhume32 at yahoo.co.uk               
+QAContact: mono-bugs at ximian.com
+TargetMilestone: ---
+URL: 
+Cc: 
+Summary: Win32 PrinterSettings.InstalledPrinters missing connected network printers
+
+On Windows XP my default printer is a network printer, and it does not 
+appear in the drop-down-list in the Mono WinForms PrintDialog.  Initially 
+I thought it was a issue in PrintDialog, but on investigation found it 
+was a issue with printer enumeration.  (Even though the printer didn't 
+appear in the list it /was/ though returned by the dialog if the user 
+made no selection).
+
+The list returned by Mono PrinterSettings.InstalledPrinters does not 
+include such network printers.  On MSFT CLR the list it returns here is:
+
+\\pc99\Lexmark X1100 Series
+Microsoft XPS Document Writer
+Microsoft Office Document Image Writer
+Lexmark X1100 Series
+Canon S300 via IrDA
+Canon S300
+
+But the Mono equivalent is missing the first item.
+
+It appears that flag PRINTER_ENUM_CONNECTIONS should be added to the 
+flags passed to Win32EnumPrinters in 
+PrintingServicesWin32.InstalledPrinters.  
+
+From the EnumPrinters MSDN page:
+PRINTER_ENUM_CONNECTIONS: "All connected remote printers"
+PRINTER_ENUM_LOCAL: "All local printers.  Windows 95/98/Me: Also 
+enumerates network printers because they are installed locally."
+
+Which shows that the 'connections' flag should be added.  The text in the 
+first table there gives a more confusing description of both making one 
+thing the 'local' flag is enough.
+
+With that change I see the printer in the dialog and it is pre-selected 
+at open.
+
+I wonder if PrintDialog should complain somehow (?debug output, 
+MessageBox) when it doesn't find the default printer in the displayed 
+list.  It would make such omissions immediately apparent.


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