The horizontal dimension (width) of the object, expressed in text columns.
A positive integer
In Displays, indicates the overall width of the display.
In FormFields, indicates the visual width of the field. Form fields can contain more data (FieldLen) than can fit in the available visual space.
In Forms, indicates the overall width of the form.
In Windows, indicates the width of the window’s client area.
It is required when either Wdth (character columns) or WdgWdth (twips) must be specified.