CSKernelFile.cFile.showOpenFileDlg C# (CSharp) Method

        public bool showOpenFileDlg(out string userFile,
                                    string filter,
                                    string fileToSearch,
                                    string curDir,
                                    string title,
                                    bool saving)
        {
            userFile = "";
            FileDialog fd = m_commDialog as FileDialog;
            if (curDir.Length > 0 && curDir != " ")
            {
                DirectoryInfo di = new DirectoryInfo(curDir);
                if (di.Exists)
                {
                    fd.InitialDirectory = curDir;
                }
            }
            if (fileToSearch != " ." && (fileToSearch.Length < 2 || fileToSearch.Substring(0, 2) != "*."))
            {
                fd.FileName = fileToSearch;
            }
            else
            {
                fd.FileName = "";
            }
            if (m_filter.Length > 0)
            {
                fd.Filter = m_filter;
            }
            else if (filter.Length > 0)
            {
                fd.Filter = filter;
            }
            fd.Title = title;
            if (saving)
            {
                SaveFileDialog fs = m_commDialog as SaveFileDialog;
                if (fs.ShowDialog() == DialogResult.OK)
                {
                    userFile = fs.FileName;
                    return true;
                }
                else 
                {
                    return false;
                }
            }
            else
            {
                OpenFileDialog fc = m_commDialog as OpenFileDialog;
                if (fc.ShowDialog() == DialogResult.OK)
                {
                    userFile = fc.FileName;
                    return true;
                }
                else 
                {
                    return false;
                }
            }
        }