I changed something in the options where it doesn’t do it anymore ![]()
On the Tools menu, click IntelliSense Manager.
In the IntelliSense Manager dialog box, click the General tab.
To disable IntelliSense, clear the Enable IntelliSense check box.
-OR-
To activate IntelliSense, select the Enable IntelliSense check box.
if you did not find Intellisense manager then you can change the intellisense settings at Options → Text Editor → C# → IntelliSense
To add custom shortcut keys