Release 10.1A: OpenEdge Development:
Progress 4GL Reference

FULL-WIDTH-PIXELS attribute

The maximum internal width of the window, in pixel units.

Data type: INTEGER

Access: Readable

Applies to: WINDOW widget

The maximum internal width of a window is the width of the screen display minus the horizontal spacing required to display the border of the window.

The value of this attribute is the Unknown value (?) until the window is realized.