Window Menu Commands
From Microsoft Visual Basic User Interface
Window Menu Commands
Split
Toggles splitting the Code window in half horizontally. Only available when the Code window is active.
Toolbar shortcut: 
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Tile Horizontally
Tiles all open document windows in your project horizontally.
Toolbar shortcut: 
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Tile Vertically
Tiles all open document windows in your project vertically.
Toolbar shortcut: 
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Cascade
Rearranges all open document windows in your project so they overlap in a cascade.
Toolbar shortcut: 
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Arrange Icons
Arranges the icons of any document windows you have minimized, neatly at the bottom left of the window.
Window List
Lists all open document windows.