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Language Reference


TOP-ONLY Attribute

Indicates whether another frame or window can overlay a frame or window.

Data Type: LOGICAL

Access: Readable/Writeable

Applies To: Frame, Window

If the TOP-ONLY attribute is TRUE for the frame, no other frame can overlay it.

If more than one window is designated as TOP-ONLY, they will all stay on top of all non-TOP-ONLY windows, but each can be brought to the foreground. That is, a TOP-ONLY window is always on top of all non-TOP-ONLY windows, but is not necessarily on top of all TOP-ONLY windows.

The TOP-ONLY behavior will be temporarily suspended while a dialog box is displayed to prevent the TOP-ONLY windows from covering the dialog-box.

A window cannot have both the TOP-ONLY and ALWAYS-ON-TOP attributes set to TRUE. Setting the TOP-ONLY attribute to TRUE will set the ALWAYS-ON-TOP attribute to FALSE. The default value of the TOP-ONLY attribute is FALSE.


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