'VSTO Sample code For Sensitivity label Ribbon Item OnClick Events in C#

I need to get changes to a sensitivity label done by clicking the Ribbon item in Microsoft Word.

Does anyone have sample code on catching event changes for sensitivity labels in particular for VSTO C#?

We are using ribbon XML and not ribbon designer and extending AddInBase to start up the word application.

I have tried Document events. I have tried Commands.

Any help will be greatly appreciated. I can't find much documentation for VSTO

Solution 1:^[1]

These are some VBA references.

You can try using the Document.SensitivityLabel property on ThisDocument/ActiveDocument and listen to the SensitivityLabel.LabelChanged event

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Solution	Source
Solution 1	CS.