mono/mono — pull request #1447 by chrisvire (2014-12-09 14:01:25+00:00)
Title: [MWF] Use Ctrl+PageUp/PageDown for Tab Navigation

In the Windows implementation of the TabControl, Ctrl+PageUp
navigates to the previous tab and Ctrl+PageDown navigates to the
next tab (with both wrapping around). This change implements this
feature in the Mono implementation.

Change-Id: Ib940bd08d5ba641f05ed91c0e789e356e68f72bb