I have gotten this to work as well, however my companies release build is
done with nant and the only thing I have been able to get nant to compile
for resources are *.resx files. So I am trying to pull the bitmap from one
of those but doesn't seem to be working.
> I use embedded resource (an Bmp File) as icon at tool box item.i just
> added teh file in visualstudio,put it as embedded resource and put
> [ToolboxBitmap(typeof(MyControl),"MyIcon.ico")] on my control.it just
> works fine.