Stop default Autocomplete behavior when hitting spacebar in Visual Studio 2015
Edit -> Intellisense -> Toggle Completion Mode
From : https://msdn.microsoft.com/en-us/library/hcw1s69b.aspx
"You can also change to suggestion mode, in which only the text you type is inserted into the code. For example, if you enter an identifier that is not in the list and press TAB, in completion mode the entry would replace the typed identifier. To toggle between completion mode and suggestion mode, press CTRL+ALT+SPACEBAR or click Edit/IntelliSense/Toggle Completion Mode."
For all who have the same problem in Visual Studio Code, add this line to the User Settings:
"editor.acceptSuggestionOnCommitCharacter": false
If you use Vs2017 and the setting resets everytime you launch Vs, i created a small script that automatically disables space completion at launch using Visual Commander Extension:
enter link description here