Command
QisLib_SetExactWindow

Purpose

Function:
	int QisLib_SetExactWindow(CQisWindow Window);

Inputs:
	Window: lower-left and upper-right co-ordinates of the window to be set.

Return:
	success: 0
	failure: one of the following values :

Errors:
	-1: File open in progress, operation not permitted.

Description:
	- Sets the desired window used for retreiving vector data and images.
	- The extents of the window set are not adjusted to the aspect ratio of the image
	size in pixels. Use QisLib_SetWindow to set the window according to the aspect
	ratio of the image size in pixels.
	- When the window is set in this manner, the images obtained via QisLib_Redraw,
	QisLib_GetImage, QisLib_ZoomHome has an aspect ratio different from that of the
	image size.
	- The extents of the window must be specified either in database units (DBU) or user
	units (UU) depending on the QisLib_SetVectorUnit setting (user units by default).