Microsoft.Samples.VisualStudio.SourceControlIntegration.SccProvider.SccProvider.GetProjectFileName C# (CSharp) Method

        public string GetProjectFileName(IVsSccProject2 pscp2Project)
        {
            // Note: Solution folders return currently a name like "NewFolder1{1DBFFC2F-6E27-465A-A16A-1AECEA0B2F7E}.storage"
            // Your provider may consider returning the solution file as the project name for the solution, if it has to persist some properties in the "project file"
            // UNDONE: What to return for web projects? They return a folder name, not a filename! Consider returning a pseudo-project filename instead of folder.

            IVsHierarchy hierProject = (IVsHierarchy)pscp2Project;
            IVsProject project = (IVsProject)pscp2Project;

            // Attempt to get first the filename controlled by the root node
            IList<string> sccFiles = GetNodeFiles(pscp2Project, VSConstants.VSITEMID_ROOT);
            if (sccFiles.Count > 0 && sccFiles[0] != null && sccFiles[0].Length > 0)
            {
                return sccFiles[0];
            }

            // If that failed, attempt to get a name from the IVsProject interface
            string bstrMKDocument;
            if (project.GetMkDocument(VSConstants.VSITEMID_ROOT, out bstrMKDocument) == VSConstants.S_OK &&
                bstrMKDocument != null && bstrMKDocument.Length > 0)
            {
                return bstrMKDocument;
            }

            // If that failes, attempt to get the filename from the solution
            IVsSolution sol = (IVsSolution)GetService(typeof(SVsSolution));
            string uniqueName;
            if (sol.GetUniqueNameOfProject(hierProject, out uniqueName) == VSConstants.S_OK &&
                uniqueName != null && uniqueName.Length > 0)
            {
                // uniqueName may be a full-path or may be relative to the solution's folder
                if (uniqueName.Length > 2 && uniqueName[1] == ':')
                {
                    return uniqueName;
                }

                // try to get the solution's folder and relativize the project name to it
                string solutionDirectory, solutionFile, solutionUserOptions;
                if (sol.GetSolutionInfo(out solutionDirectory, out solutionFile, out solutionUserOptions) == VSConstants.S_OK)
                {
                    uniqueName = solutionDirectory + "\\" + uniqueName;

                    // UNDONE: eliminate possible "..\\.." from path
                    return uniqueName;
                }
            }

            // If that failed, attempt to get the project name from
            string bstrName;
            if (hierProject.GetCanonicalName(VSConstants.VSITEMID_ROOT, out bstrName) == VSConstants.S_OK)
            {
                return bstrName;
            }

            // if everything we tried fail, return null string
            return null;
        }