global (C# Reference)
Updated: July 20, 2015
For the latest documentation on Visual Studio 2017 RC, see Visual Studio 2017 RC Documentation.
global contextual keyword, when it comes before the :: operator, refers to the global namespace, which is the default namespace for any C# program and is otherwise unnamed. For more information, see How to: Use the Global Namespace Alias.
The following example shows how to use the
global contextual keyword to specify that the class
TestApp is defined in the global namespace: