Win.CodeNavi.frmMain.SaveExtensions C# (CSharp) Method

        void SaveExtensions()
        {
            // Save it
            if (Properties.Settings.Default.ExtensionSets != null) Properties.Settings.Default.ExtensionSets.Clear();
            StringCollection strExtSet = new StringCollection();
            foreach (String strExt in txtExt.Items)
            {
                strExtSet.Add(strExt);
            }
            Properties.Settings.Default.ExtensionSets = strExtSet;
            Properties.Settings.Default.Save();
        }