'Is it possible add content add-in from Taskpane?

Is there any way to create web surface (content add-in) in excel workbook from taskpane or from custom toolbar button? Currently i'm trying to make usage of my content add-in more user-friendly. I wonder is there any way to bypass standard procedure and spawn a copy of my content add-in in current workbook simply by clicking on custom toolbar button?

Thank you very much in advance.



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