hMailServer.Administrator.ucIMAPFolders.buttonEmptyFolder_Click C# (CSharp) Method

        private void buttonEmptyFolder_Click(object sender, EventArgs e)
        {
            TreeNode selectedNode = treeFolders.SelectedNode;
             if (selectedNode == null)
            return;

             hMailServer.IMAPFolder folder = selectedNode.Tag as IMAPFolder;

             folder.Messages.Clear();
        }