简单的命令行工具，用于制作截图

Simple tool inspired by Ted Mielczarek post: http://blog.mozilla.com/ted/2009/02/05/command-line-screenshot-tool-for-windows/ One can take a screenshot of a desktop or any window selected by widow title. It is also possible to select rectangle to capture. The result is stored as a png file. type screenshot-cmd -h to see help. OPTIONS: -wt WINDOW_TITLE Select window with this title. Title must not contain space (" "). -wh WINDOW_HANDLE Select window by its handle (representad as hex string - f.e. "0012079E") -rc LEFT TOP RIGHT BOTTOM Crop source. If no WINDOW_TITLE is provided (0,0) is left top corner of desktop, else if WINDOW_TITLE maches a desktop window (0,0) is its top left corner. -o FILENAME Output file name, if none, the image will be saved as "screenshot.png" in the current working directory. -h Shows this help info.