CSSScript.ShellExForm.okBtn_Click C# (CSharp) Метод

        private void okBtn_Click(object sender, EventArgs e)
        {
            Cursor = Cursors.WaitCursor;
            try
            {
                ProcessDirNode(treeView1.Nodes);
                RemoveEmptyChildDirs(baseDirectory);
            }
            finally
            {
                Cursor = Cursors.Default;
            }
        }
        void RemoveEmptyChildDirs(string path)