VsTeXProject.VisualStudio.Project.ProjectNode.GenerateUniqueItemName C# (CSharp) Method

        public virtual int GenerateUniqueItemName(uint itemIdLoc, string ext, string suggestedRoot, out string itemName)
        {
            var rootName = string.Empty;
            var extToUse = string.Empty;
            itemName = string.Empty;

            //force new items to have a number
            var cb = 1;
            var found = false;
            var fFolderCase = false;
            var parent = NodeFromItemId(itemIdLoc);

            if (!string.IsNullOrEmpty(ext))
            {
                extToUse = ext.Trim();
            }

            if (!string.IsNullOrEmpty(suggestedRoot))
            {
                suggestedRoot = suggestedRoot.Trim();
            }

            if (suggestedRoot == null || suggestedRoot.Length == 0)
            {
                // foldercase, we assume... 
                suggestedRoot = "NewFolder";
                fFolderCase = true;
            }

            while (!found)
            {
                rootName = suggestedRoot;
                if (cb > 0)
                    rootName += cb.ToString(CultureInfo.CurrentCulture);

                if (extToUse.Length > 0)
                {
                    rootName += extToUse;
                }

                cb++;
                found = true;
                for (var n = parent.FirstChild; n != null; n = n.NextSibling)
                {
                    if (rootName == n.GetEditLabel())
                    {
                        found = false;
                        break;
                    }

                    //if parent is a folder, we need the whole url
                    var parentFolder = parent.Url;
                    if (parent is ProjectNode)
                        parentFolder = Path.GetDirectoryName(parent.Url);

                    var checkFile = Path.Combine(parentFolder, rootName);

                    if (fFolderCase)
                    {
                        if (Directory.Exists(checkFile))
                        {
                            found = false;
                            break;
                        }
                    }
                    else
                    {
                        if (File.Exists(checkFile))
                        {
                            found = false;
                            break;
                        }
                    }
                }
            }

            itemName = rootName;
            return VSConstants.S_OK;
        }