Form.
You can use these properties to return the height and width of a form in twips.
WindowHeight property settings are Integer values.
WindowWidth property settings are Integer values.
These property settings are read-only and are available only in a macro or Visual Basic.
The WindowHeight property is measured from the upper-left corner of the form to its lower-left corner. The WindowWidth property is measured from the upper left corner of the form to its upper-right corner.
InsideHeight, InsideWidth Properties; Left, Top Properties.