Screen objects are used to read the information from the client's screen. The properties of screen objects are :
AvailHeight : Gives the height of client's screen
AvailWidth : Gives the width of client's screen.
ColorDepth : Gives the bit depth of images on the client's screen
Height : Gives the total height of the client's screen, including the taskbar
Width : Gives the total width of the client's screen, including the taskbar
