DynaPDF Manual - Page 382

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Function Reference
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Migration states
The migration state of a base annotation is stored in text annotations. The base annotation can be an
arbitrary markup annotation, incl. text annotations. A text annotation represents a migration state if
Parent > -1, if Group is false, and if State and StateModel are non-null.
The migration states of a base annotation are usually stored as single linked list. That means the last
state is a just reply of the previous state and so on. The base annotation is the one that has no parent
and this annotation must be a markup annotation.
Return values:
If the function succeeds the return value is 1 and the parameter Annot is filled with values. If the
function fails the return value is 0 and the parameter Annot is left unchanged.
 

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