calling constructor of VSTO Addin (thisaddin class) from a C# application

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C#

COM

VSTO

I have a VSTO addin which I want to invoke from a C# EXE. thisaddin.designer.cs file has a constructor as below.

public ThisAddIn(global::Microsoft.Office.Tools.Word.ApplicationFactory factory, global::System.IServiceProvider serviceProvider) : 
                base(factory, serviceProvider, "AddIn", "ThisAddIn") {
            Globals.Factory = factory;
        }

I have added the reference of Addin to my C# project and tried the below. But, not sure what arguments to pass.

MTMWordAddIn.ThisAddIn addin = new MTMWordAddIn.ThisAddIn(null, null);

Kindly suggest.
Thanks.