Virtual resolution screenshot

Is there a program for windows where I can increase the size of a window (not a browser) to a resolution beyond the limits of my scre开发者_开发知识库en (say 50,000 x 500) and then take a screenshot?

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HI,

some time ago I used this portabble programm, I hope You are using Windows and not an Unix-like system.

http://www.winresizer.com/

It dosen't make screenshots itself...