availHeight:minus permanent or semipermanent user interface features displayed by the operating system:such as the Taskbar on Windows.
availWidth:Specifies the width of the screen, in pixels, minus permanent or semipermanent user interface:features displayed by the operating system, such as the Taskbar on Windows.
colorDepth:The bit depth of the color palette, if one is in use; otherwise, the value is derived from screen.pixelDepth.
height:Display screen height.
pixelDepth:Display screen color resolution (bits per pixel).
