[Mono-winforms-list] Throwback

Paul paul at all-the-johnsons.co.uk
Sun Aug 28 06:18:49 EDT 2005


This was generated by the simple datetime source posted here yesterday
or Friday. I am getting something very similar with every MWF based

Unhandled Exception: System.NullReferenceException: Object reference not
set to an instance of an object
in <0x00000> <unknown method>
in (wrapper managed-to-native)
System.Windows.Forms.XplatUIX11:GetFontMetrics (intptr,intptr,int&,int&)
in <0x00034> System.Windows.Forms.XplatUIX11:GetFontMetrics
(System.Drawing.Graphics g, System.Drawing.Font font, System.Int32
ascent, System.Int32 descent)
in <0x0001e> System.Windows.Forms.XplatUI:GetFontMetrics
(System.Drawing.Graphics g, System.Drawing.Font font, System.Int32
ascent, System.Int32 descent)
in <0x00325> System.Windows.Forms.Line:RecalculateLine
(System.Drawing.Graphics g, System.Windows.Forms.Document doc)
in <0x0009c> System.Windows.Forms.Document:RecalculateDocument
(System.Drawing.Graphics g, Int32 start, Int32 end, Boolean optimize)
in <0x00017> System.Windows.Forms.Document:RecalculateDocument
(System.Drawing.Graphics g)
in <0x00028> System.Windows.Forms.TextBoxBase:CalculateDocument ()
in <0x00293> System.Windows.Forms.TextBoxBase:set_Text (System.String
in <0x0000d> System.Windows.Forms.TextBox:set_Text (System.String value)
in <0x00017> System.Windows.Forms.NumericUpDown:set_Text (System.String
in <0x000da> System.Windows.Forms.NumericUpDown:UpdateEditText ()
in <0x00449> System.Windows.Forms.UpDownBase:.ctor ()
in <0x00010> System.Windows.Forms.NumericUpDown:.ctor ()
in (wrapper remoting-invoke-with-check)
System.Windows.Forms.NumericUpDown:.ctor ()
in <0x005d1> System.Windows.Forms.MonthCalendar:.ctor ()
in <0x00010> System.Windows.Forms.MonthCalendar:.ctor
(System.Windows.Forms.DateTimePicker owner)
in (wrapper remoting-invoke-with-check)
in <0x00032> System.Windows.Forms.DateTimePicker:.ctor ()
in (wrapper remoting-invoke-with-check)
System.Windows.Forms.DateTimePicker:.ctor ()
in <0x00042> Form1:InitialiseComponent ()
in <0x00013> Form1:.ctor ()
in (wrapper remoting-invoke-with-check) Form1:.ctor ()
in <0x00018> Form1:Main ()

Given the code and executable worked Saturday morning, something has
gone really wrong somewhere. As I can only see it with MWF based
applications, is it safe to assume it's MWF based and bugzilla it?



"A lot of football success is in the mind. You must believe you are the
best and then make sure that you are. In my time at Liverpool we always
said we had the best two teams on Merseyside, Liverpool and Liverpool
Reserves." - Bill Shankly
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