Visual Studio 2010 Solution Creator AddIn

Introduction

When you have a lot of projects, and create a "Blank Solution" on Visual Studio, you need to add the projects one by one, selecting the "*.csproj", because the VS dont allow to add more than one project at same time to the solution.

Using this addin, you can select the projects root folder, and it will search for projects and show it in a grid, and you can select then and the VS Solution will be created.

Using the code 

/// <summary>Implements the Exec method of the IDTCommandTarget interface. This is called when the command is invoked.</summary>
/// <param term='commandName'>The name of the command to execute.</param>
/// <param term='executeOption'>Describes how the command should be run.</param>
/// <param term='varIn'>Parameters passed from the caller to the command handler.</param>
/// <param term='varOut'>Parameters passed from the command handler to the caller.</param>
/// <param term='handled'>Informs the caller if the command was handled or not.</param>
/// <seealso class='Exec' />
public void Exec(string commandName, vsCommandExecOption executeOption, 
       ref object varIn, ref object varOut, ref bool handled)
{
    handled = false;
    if(executeOption == vsCommandExecOption.vsCommandExecOptionDoDefault)
    {
        if(commandName == "SlnCreator.Connect.SlnCreator")
        {
            handled = true;
            Menu m = new Menu();
            if (m.ShowDialog() == DialogResult.OK)
            {
                List<string> files = m.Paths;
                List<string> solFolders = new List<string>();
                string solName = m.SolutionPath;
                bool createSolFolder = m.CreateSolFolders;

                Solution2 s = (Solution2)_applicationObject.Solution;
                Project prj;
                SolutionFolder sf = null;

                s.Create(Path.Combine(Path.GetDirectoryName(solName), 
                  Path.GetFileNameWithoutExtension(solName)), 
                  Path.GetFileNameWithoutExtension(solName));

                foreach (string file in files)
                {
                    if (createSolFolder)
                    {
                        string solFolder = GetSolutionFolderName(file);
                        if (solFolders.Contains(solFolder) == false)
                        {
                            solFolders.Add(solFolder);
                            prj = s.AddSolutionFolder(solFolder);
                            sf = (SolutionFolder) prj.Object;
                            sf.AddFromFile(file);
                        }
                        else
                        {
                            sf.AddFromFile(file);
                        }
                    }
                    else
                    {
                        s.AddFromFile(file);
                    }
                }
                Directory.CreateDirectory(Path.GetDirectoryName(solName));
                s.SaveAs(solName);
                return;
            }
        }
    }
}