I just downloaded the latest alpha build, and Paint.net crashes every time I try to add a color to the custom swatches. The swatch control changes to a white box with a red X, and the below exception is generated in the desktop file. I just upgraded from an earlier alpha release.
Application version: Paint.NET v3.0 (Alpha 3 Release build 3.0.2500.35765)
Time of crash: 11/12/2006 8:10:57 PM
Application uptime: 00:05:21.8125000
OS Version: 5.2.3790.65536 Service Pack 1 Server x86
.NET Framework version: 2.0.50727.42 x86
Processor: 2x AMD Athlon 64 X2 Dual Core Processor 4200+
Physical memory: 2047 MB
Locale: pdnr.c: en-US, hklm: en-US, hkcu: en-US, cc: en-US, cuic: en-US
Exception details:
System.InvalidOperationException: Operation is not valid due to the current state of the object.
at PaintDotNet.SwatchControl.OnPaint(PaintEventArgs e)
at System.Windows.Forms.Control.PaintWithErrorHandling(PaintEventArgs e, Int16 layer, Boolean disposeEventArgs)
at System.Windows.Forms.Control.WmPaint(Message& m)
at System.Windows.Forms.Control.WndProc(Message& m)
at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)
at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)
at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)