Gtk# in monodevelop not working anymore after upgrading to ubuntu 11.10 unity
问题 I had some monodevelop programs with a GTK# user interface running smoothly in ubuntu 11.04 without unity. I have upgraded to ubuntu 11.10 with unity. Now I get the following error: "The type or namespace name 'Gtk' could not be found. Are you missing an assembly reference?". And indeed in my references the references atk-sharp, gdk-sharp, glade-sharp, glid-sharp, stk-sharp and pango-sharp are colored red and I can't re-add them. If I search in the software to install at gtk-sharp then it