I am looking for a program that can copy a portion of the screen to the clipboard in Windows 7. Upon hitting some keyboard shortcut, it would ask me to select the region of the screen that I want to copy to the clipboard. I don't want to do anything else apart from triggering the keyboard shortcut and selecting the region of the screen I am interested in.
On Mac OS X 10.10, the built-in screenshot application Grab has this feature, which can be used through the keyboard shortcut command + control + shift + 4 .