VsTeXProject.VisualStudio.Project.ProjectNode.AddNodeIfTargetExistInStorage C# (CSharp) Метод

        protected virtual HierarchyNode AddNodeIfTargetExistInStorage(HierarchyNode parentNode, string name,
            string targetPath)
        {
            if (parentNode == null)
            {
                return null;
            }

            var newNode = parentNode;
            // If the file/directory exist, add a node for it
            if (File.Exists(targetPath))
            {
                var result = new VSADDRESULT[1];
                ErrorHandler.ThrowOnFailure(AddItem(parentNode.ID, VSADDITEMOPERATION.VSADDITEMOP_OPENFILE, name, 1,
                    new[] {targetPath}, IntPtr.Zero, result));
                if (result[0] != VSADDRESULT.ADDRESULT_Success)
                    throw new Exception();
                newNode = FindChild(targetPath);
                if (newNode == null)
                    throw new Exception();
            }
            else if (Directory.Exists(targetPath))
            {
                newNode = CreateFolderNodes(targetPath);
            }
            return newNode;
        }