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ABL Reference
Handle Attributes and Methods Reference : FULL-HEIGHT-CHARS attribute


The maximum internal height of the window, in character units.
Data type: DECIMAL
Access: Read-only
Applies to: WINDOW widget
The maximum internal height of a window is the height of the screen display minus the vertical spacing required to display the border, title bar, menu bar, message area, and status area of the window.
The value of this attribute is the Unknown value (?) until the window is realized.