You know, the icon that eventually appears when you forgot to fully qualify a C# type and the IDE is offering to do it for you or add a using statement.
I finally find the keyboard shortcut to open it instead of losing time trying to get it to open with the mouse: ALT + SHIFT + F10.
That’s a weird shortcut…
L'espace d'Yves Dolce 
you can also use CTRL+.
Thanks! Much easier.