I have an Undo- and a Redo-Button in my App (they execute cmd.undo and cmd.redo).
I want to start with an unabled Undo-Button and enable it when an annot was added on the AxPXV_Control.
If event in OnEvent is e.annots.inserted I call a Method in my class to enable button when pdfCtl.Doc.OperationHistory.CanUndo.
But this is not set to true yet.
What would be the right way to reach my aim?
pdfCtl.Doc.OperationHistory and e.annots.inserted / e.annots.deleted
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khho
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Re: pdfCtl.Doc.OperationHistory and e.annots.inserted / e.annots.deleted
Hi khho.
Seems for your case is better to handle the following events:
e.document.historyChanged
or
e.document.modStateChanged
Because e.annots.xxx arriving slightly earlier than doc-history is changed...
HTH.
Seems for your case is better to handle the following events:
e.document.historyChanged
or
e.document.modStateChanged
Because e.annots.xxx arriving slightly earlier than doc-history is changed...
HTH.
Vasyl Yaremyn
Tracker Software Products
Project Developer
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Tracker Software Products
Project Developer
Please archive any files posted to a ZIP, 7z or RAR file or they will be removed and not posted.
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khho
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Re: pdfCtl.Doc.OperationHistory and e.annots.inserted / e.annots.deleted
Yes, that helped, thank you! 
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Tracker Supp-Stefan
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