Code to open Visual Studio to a specific line in a file

VSToLine.cs

using System;
using System.Runtime.InteropServices;

//Usage: VSToLine.exe [full path to file] [line number] (eg VSToLine.exe fullPathToFile.cs 10)
//Original source: https://newbedev.com/open-a-file-in-visual-studio-at-a-specific-line-number
//Needed references: 
//  https://www.nuget.org/packages/envdte/17.2.32505.113
//  https://www.nuget.org/packages/envdte80/17.2.32505.113
//  https://www.nuget.org/packages/stdole/17.2.32505.113

namespace VSToLine
{
    class Program
    {
        static void Main(string[] args)
        {
            try
            {
                string filename = args[0];
                int fileline = 0;

                if (args.Length > 1)
                    int.TryParse(args[1], out fileline);

                //You can also just use 'VSToLine.exe fullPathToFile.cs:line 10' as sometimes that
                //is the format given when I was working on this in the past
                int iPos = filename.IndexOf(":line ");
                if (iPos > 0)
                {
                    string sLineNumber = filename.Substring(iPos + 6);
                    int.TryParse(sLineNumber, out fileline);
                    filename = filename.Remove(iPos);
                }

                string progID = "VisualStudio.DTE.16.0";
                //Note that you may need to change this string depending on the VS version.
                //I found that having VS open and running https://stackoverflow.com/a/7738455/2246411
                //helped me find which id I should be using (but there may be a simpler example out there)
                  
                EnvDTE80.DTE2 dte2 = (EnvDTE80.DTE2)Marshal.GetActiveObject(progID);
                dte2.MainWindow.Activate();
                EnvDTE.Window w = dte2.ItemOperations.OpenFile(filename, EnvDTE.Constants.vsViewKindTextView);

                if (fileline > 0)
                    ((EnvDTE.TextSelection)dte2.ActiveDocument.Selection).GotoLine(fileline, true);
            }
            catch (Exception e)
            {
                Console.WriteLine(e.Message);
                Console.WriteLine(e.StackTrace);
            }
        }
    }
}