nw::dev::Screenshot

	`GetHash`	Gets the hash code.
	Equal	Compares screenshot with hash code.
	IsWrited	Checks whether the screenshot has been written.
	DumpHash	Outputs the hash as a character string.
	`Set`	Sets a screenshot from the display buffer.
	GetBufferLength	Gets the buffer size.
	`GetBuffer`	Gets a buffer.
	GetWidth	Gets the horizontal width of screenshots.
	GetHeight	Gets the vertical height of screenshots.
	~Screenshot	Destructor.
S	Create	Generates a screenshot.

`nw::dev::Screenshot` Class