_twBottom()             Window Bottom.
 _twColor()              Window Colour.
 _twCurrent()            Window Screen.
 _twFcolor()             Window Frame Colour.
 _twFrame()              Window Frame Type.
 _twHandle()             Window Handle.
 _twHidden()             Window Hidden Screen.
 _twLeft()               Window Left.
 _twRight()              Window Right.
 _twsBottom()            Window Hidden Bottom.
 _twShadow()             Window Shadow Type.
 _twShTh()               Window Thickness.
 _twsLeft()              Window Hidden Left.
 _twsRight()             Window Hidden Right.
 _twStack()              Window Stack Array.
 _twStructure()          Window Stack Array.
 _twsTop()               Window Hidden Top.
 _twTitle()              Window Title Array.
 _twTop()                Window Top.