using System;

namespace MsBuildTest
{
    class Program
    {
        static void Main(string[] args)
        {
            // Singleton to be used in the build task (visible in .NET Framework, but not on .NET 5)
            Context.Instance.Id = Guid.NewGuid();

            // Create project
            Microsoft.Build.Evaluation.ProjectCollection projectCollection = new Microsoft.Build.Evaluation.ProjectCollection();
            projectCollection.DefaultToolsVersion = "Current";

            Microsoft.Build.Evaluation.Project project = projectCollection.LoadProject(@".\TestProject.proj");
            
            // Return true if there is a value in the singleton Id, false if null.
            bool success = project.Build("Target");

            System.Diagnostics.Debug.WriteLine($"Context contains a value: {success}");
        }
    }
}