Interesting the offending control was the ToolStripContainer. I've removed that and it works just fine.
Looks like the ToolStripContainer implementation is buggy. If I knew enough about the WinForms implementation on Mono I'd certainly try to help :p Thanks for the feedback guys! -- View this message in context: http://mono.1490590.n4.nabble.com/GDI-status-InvalidParameter-from-LinearGradientBrush-tp4475791p4481056.html Sent from the Mono - WinForms mailing list archive at Nabble.com. _______________________________________________ Mono-winforms-list maillist - Mono-winforms-list@lists.ximian.com http://lists.ximian.com/mailman/listinfo/mono-winforms-list