Be sure to Unblock the GoDiagram53.zip file before unzipping, or you will likely see this in Visual Studio:

https://blogs.msdn.microsoft.com/delay/p/unblockingdownloadedfile/ for more.
Be sure to Unblock the GoDiagram53.zip file before unzipping, or you will likely see this in Visual Studio:

https://blogs.msdn.microsoft.com/delay/p/unblockingdownloadedfile/ for more.