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

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

             // First confirm that we can access the permissions.
             hMailServer.IMAPFolder folder = selectedNode.Tag as hMailServer.IMAPFolder;

             try
             {
            // This is a dummy test. We should never return here, but if we don't
            // have access to the ACL permissions, a message should be shown.
            if (folder.Permissions.Count < 0)
               return;
             }
             catch (Exception ex)
             {
            MessageBox.Show(ex.Message, EnumStrings.hMailServerAdministrator, MessageBoxButtons.OK, MessageBoxIcon.Information);
            return;
             }

             formFolderPermissions folderPermissions = new formFolderPermissions(folder);

             folderPermissions.ShowDialog();
        }