Let's create a Client Add-in for WDTU. We want to add anMP3 player to the Playlist page to allow the user to preview songs on the Playlist. The following screenshot shows what it will look like when we're done (our MP3 player FactBox is circled):
To accomplish this, we will create a .NET assembly (.dll) utilizing the Windows Media Player.
To start, we will open Visual Studio 2015 and create a New Project. For a template, select Visual C# - Windows Class Library as shown in the following screenshot. Make sure the .NET Framework selected is 4.5.2 or higher. Name the solution WDTUplayer and place in a directory we can access ...
