HowTo: Create a Powerpoint AddIn in C#

This post shows how to create a simple VSTO Powerpoint AddIn that adds a digital timer function to Powerpoint. Here is a showcase video: Prerequesits To follow along with this post, you need the following software installed on your machine: Visual Studio (I used VS2017 Community Edition) Microsoft Office PowerPoint Office-/Sharepoint Development Workflow (Visual Studio …

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