Hi, I'm having problems with exceptions being thrown on garbage collection
of ToolStripMenuItem. This is with the Mono version included with OpenSUSE
13.1 so it's slightly behind (3.0.7), but highly likely to be used by
customers.
Due to the error being thrown in the GC stage I can't catch it and I get no
real info as to what ToolStripMenuItem is being collected. The application
is a rather large application that is being ported from Windows/.NET to
Linux/Mono and there's a rather large amount of dynamic menus so it's
difficult to track down. Has anyone seen this before? Any ideas on what
would cause this?
Here is a stack trace:
Unhandled Exception:
System.ArgumentException: A null reference or invalid value was found [GDI+
status: InvalidParameter]
at System.Drawing.GDIPlus.CheckStatus (Status status) [0x00000] in
<filename unknown>:0
at System.Drawing.Graphics.GdipMeasureString (IntPtr graphics,
System.String text, System.Drawing.Font font, System.Drawing.RectangleF&
layoutRect, IntPtr stringFormat) [0x00000] in <filename unknown>:0
at System.Drawing.Graphics.MeasureString (System.String text,
System.Drawing.Font font, Int32 width, System.Drawing.StringFormat format)
[0x00000] in <filename unknown>:0
at (wrapper remoting-invoke-with-check)
System.Drawing.Graphics:MeasureString
(string,System.Drawing.Font,int,System.Drawing.StringFormat)
at System.Windows.Forms.TextRenderer.MeasureTextInternal (IDeviceContext
dc, System.String text, System.Drawing.Font font, Size proposedSize,
TextFormatFlags flags, Boolean useMeasureString) [0x00000] in <filename
unknown>:0
at System.Windows.Forms.TextRenderer.MeasureText (System.String text,
System.Drawing.Font font) [0x00000] in <filename unknown>:0
at System.Windows.Forms.ToolStripMenuItem.CalculatePreferredSize (Size
constrainingSize) [0x00000] in <filename unknown>:0
at System.Windows.Forms.ToolStripItem.GetPreferredSize (Size
constrainingSize) [0x00000] in <filename unknown>:0
at System.Windows.Forms.ToolStripDropDownMenu.OnLayout
(System.Windows.Forms.LayoutEventArgs e) [0x00000] in <filename unknown>:0
at System.Windows.Forms.Control.PerformLayout
(System.Windows.Forms.Control affectedControl, System.String
affectedProperty) [0x00000] in <filename unknown>:0
at System.Windows.Forms.Control.PerformLayout () [0x00000] in <filename
unknown>:0
at (wrapper remoting-invoke-with-check)
System.Windows.Forms.Control:PerformLayout ()
at System.Windows.Forms.ToolStripItem.OnParentChanged
(System.Windows.Forms.ToolStrip oldParent, System.Windows.Forms.ToolStrip
newParent) [0x00000] in <filename unknown>:0
at System.Windows.Forms.ToolStripItem.set_Parent
(System.Windows.Forms.ToolStrip value) [0x00000] in <filename unknown>:0
at (wrapper remoting-invoke-with-check)
System.Windows.Forms.ToolStripItem:set_Parent
(System.Windows.Forms.ToolStrip)
at System.Windows.Forms.ToolStripItemCollection.Remove
(System.Windows.Forms.ToolStripItem value) [0x00000] in <filename unknown>:0
at System.Windows.Forms.ToolStripItem.Dispose (Boolean disposing)
[0x00000] in <filename unknown>:0
at System.ComponentModel.Component.Finalize () [0x00000] in <filename
unknown>:0
Mvh
David Lindström
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