Load basic information about a .NET solution file

SolutionAnalyzer.linq

<Query Kind="Program">
  <NuGetReference>Microsoft.Build</NuGetReference>
  <NuGetReference>Microsoft.Build.Utilities.Core</NuGetReference>
</Query>

void Main()
{
	ExtractProjectData(@"Path\To\Solution\File.sln").Dump();
}

public IEnumerable<ProjectData> ExtractProjectData(string pathToSolution)
{
	var solution = Microsoft.Build.Construction.SolutionFile.Parse(pathToSolution);
	var allProjects = solution.ProjectsInOrder.Where(p => p.ProjectType != Microsoft.Build.Construction.SolutionProjectType.SolutionFolder)
		.Select(p => new { p.ProjectName, p.AbsolutePath, ProjectFileInfo = new FileInfo(p.AbsolutePath) })
		.ToList();
	return allProjects.Select(p => new { ProjectData = p, Instance = new Microsoft.Build.Execution.ProjectInstance(p.AbsolutePath) })
		.Select(p => new ProjectData
		{
			ProjectName = p.ProjectData.ProjectName,
			TargetFrameworkVersion = p.Instance.Properties.SingleOrDefault(pr => pr.Name == "TargetFrameworkVersion")?.EvaluatedValue,
			TargetFrameworkMoniker = p.Instance.Properties.SingleOrDefault(pr => pr.Name == "TargetFrameworkMoniker")?.EvaluatedValue,
			TargetExt = p.Instance.Properties.SingleOrDefault(pr => pr.Name == "TargetExt")?.EvaluatedValue,
			OutputType = p.Instance.Properties.SingleOrDefault(pr => pr.Name == "OutputType")?.EvaluatedValue,
			ProjectReferences = p.Instance.Items.Where(i => i.ItemType == "ProjectReference")
				.Select(reference =>
				{
					string referencePath = new FileInfo(Path.Combine(p.ProjectData.ProjectFileInfo.DirectoryName, reference.EvaluatedInclude)).FullName;
					return allProjects.FirstOrDefault(f => f.ProjectFileInfo.FullName == referencePath)?.ProjectName;
				}).ToList(),
		});
}

public class ProjectData
{
	public string ProjectName { get; set; }
	public string TargetFrameworkVersion { get; set; }
	public string TargetFrameworkMoniker { get; set; }
	public string TargetExt { get; set; }
	public string OutputType { get; set; }
	public IReadOnlyCollection<string> ProjectReferences { get; set; }
}