In Visual Studio, there’s a setting to toggle Visual Studio from the default tabbed document mode to a MDI (Multiple Document Interface) mode, as it is commonly referred to. 

Go to Tools – Options – Environment – General and select Multiple documents found under Window Layout.

 MDI mode Tools Option

For you Visual Studio .NET 2003 users (or those who used 2003), you may remember that you had to restart Visual Studio to use MDI.  We fixed this (well, Chris fixed it and I tested it) in Visual Studio 2005, so that you no longer have to restart.

Visual Studio in MDI mode

If you are familiar with MDI mode, you may ask, "Can you tile horizontal / vertical?  can you cascade? …"   Go to the Windows menu and you’ll find new options

MDI mode Window Menu

Note that both Auto Hide All and Reset Window Layout apply to Tool Windows.  The Cascade, Tile Horizontally, Tile Vertically, and Close All Documents apply to document (editors, designers and any tool windows in a tabbed document state.  I’ll explain all of this in upcoming tip of the days).

You may have remember a pop quick from back in September (or today as i currently write this) that in MDI mode, the Tile Horizontally and Tile Vertically buttons appear in the Window Windows dialog

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