.NET: Microsoft Technologies based on the .NET software framework.Runtime: The period of time during which a program is being executed in a computer.
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I try to start a project which need to use Xml on my Mac, but I found I can not add the "System.Xml" . Isn't this set of progs not support by MacOS?
Do you mean that it is not possible to add a reference to System.Xml assembly: https://learn.microsoft.com/en-us/visualstudio/mac/managing-references-in-a-project?