Full Name:
IntelliSense for Most Recently Used Members

Short Name:
IntelliSense for Most Recently Used Members

Type of Entity:
C#

Abstract:
IntelliSense can pre-select the members that you have recently selected in the pop-up List Members box for automatic object name completion, during your current session in the IDE. This enables you to immediately proceed on the desired item, and avoid wasting time typing out its name, or browsing through a list of infrequently used members in the List Members box to execute automatic completion.

MSDN Source URL:
http://msdn2.microsoft.com/0aaw2184.aspx