Lenze PLC Designer PLC Designer (R3-1) - Manual (Page 424)

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422 DMS 4.1 EN 03/2011 TD29
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Number of undos: Define how many editing steps should be saved, so that they can be made
undone by the Undo function.
Folding: Define whether the code should be viewed structured by folds. This means
that sections specified by indented position resp. marked by a special
comment are hidden in a fold which can be opened or closed via by a
mouse-click on the plus- resp. minus-sign on the left side of the folds
header line. The options:
None: No folding is done.
Indent: All lines indented to the previous one will be put in a fold, which is
headed by the preceding line.
Examples: The lines between VAR and END VAR resp. between IF and END IF
are indented, thus are packed in a fold indicated by a minus-sign in open
and by the plus-sign in closed state:
Abb. 207 Opened and closed folds
Explicit: The code section to be packed in a fold must be marked explicitly
by comment lines: Before the section in a comment enter three opening
braces "{{{", after the section in a comment enter three closing braces "}}}".
The comment may contain further text also.
Examples for defining a folding section
Explicit folds defined by special comments