[Mono-list] Mono & Printing

[Klaus Siebke]

Hi,

I've tried the DemoPrinting example, but the program doesn't work :-(

Messages:
------------
Unhandled Exception: System.NullReferenceException: Object reference not set
to an instance of an object
  at GLib.Signal.Lookup (GLib.Object obj, System.String name,
System.Delegate marshaler) [0x00000] 
  at Gtk.PrintOperation.add_BeginPrint (Gtk.BeginPrintHandler value)
[0x00000] 
  at GtkDemo.DemoPrinting..ctor () [0x0002b] in
/share/source/mono/csharp/DemoPrinting/DemoPrinting/DemoPrinting.cs:36 
  at DemoPrinting.MainClass.Main (System.String[] args) [0x0000a] in
/share/source/mono/csharp/DemoPrinting/DemoPrinting/Main.cs:20 

Code extract:
----------------

public DemoPrinting () 
            { 
                print = new PrintOperation (); 
                
                // Set the Print Operation methods 
(line 36)   print.BeginPrint += new BeginPrintHandler (OnBeginPrint); 
<--------------
                print.DrawPage += new DrawPageHandler (OnDrawPage); 
                print.EndPrint += new EndPrintHandler (OnEndPrint); 

Any ideas?

Thank you,
Klaus




Adam Tauno Williams wrote:
> 
> On Sat, 2009-04-25 at 06:31 -0700, Yoerivdm wrote:
>> Is there a way to create and directly print reports from mono?
> 
> <http://library.gnome.org/devel/gtk/2.12/Printing.html>
> See DemoPrinting.cs in the source tar ball
> <http://ftp.gnome.org/pub/gnome/sources/gtk-sharp/2.12/gtk-sharp-2.12.6.tar.gz>
> <http://sysinf0.klabs.be/usr/share/gtk-sharp2-examples/GtkDemo/DemoPrinting.cs?dist=%3Barch=>
> -- 
> OpenGroupware developer: awilliam at whitemice.org
> <http://whitemiceconsulting.blogspot.com/>
> OpenGroupare & Cyrus IMAPd documenation @
> <http://docs.opengroupware.org/Members/whitemice/wmogag/file_view>
> 
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> 
> 

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