Progress
Programming
Handbook
Defining a Frame Family
The first step in defining a frame family is to define a child frame of a root frame. To define a child frame of any frame, you set the child frame’s FRAME attribute to the widget handle of the parent frame, as shown in the following procedure (
p-fof1.p
):
By default, Progress positions a child frame at row 1, column 1 (the upper–left corner) of the parent frame’s display area. Thus, when you specify position options for a child frame, they are relative to the parent frame’s display area, not the window’s. In this way, you can define and position child frames of child frames (descendant frames) to any practical depth.
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