View Call Hierarchy in Visual Studio

Is there anybody who knows, what is f开发者_如何学编程or, and how it works, the "Call Hierarchy" window in Visual Studio (2010)?

@SLaks :

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I don't know why it isn't in your context menu, but you can also press Ctrl + K, T when the cursor is on a method name to activate it.
EDIT: It's not available in VB.Net.

It will show you every method that calls your function, and every method that your function calls.

http://msdn.microsoft.com/en-us/library/dd409859.aspx

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