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Creating & Using Nodes
52 PT Program Generator (PPG) v5.0
Figure 31 on page 52 shows the Frames level of a program that contains three
subroutines: one for counting the data collected in a file, one for verifying that
data, and one for displaying the data.
Call nodes within the program frames
jump to the subroutines as needed.
Subroutine nodes can be placed anywhere in the application. However, to
make subroutine management easier, most applications will locate subroutines
either at the top-most frame level or in a separate frame that contains all appli-
cation subroutines.
Figure 31. Subroutines in a PPG program
Creating subroutines is the same as creating frames. Complete the following
steps:
1. Select
Create > Subroutine from the menubar. A new subroutine
opens in the lower right corner of the frame. The new subroutine is
assigned a default name.
2342.book Page 52 Thursday, July 22, 2004 8:35 AM