x86.frmMain.but_add_del_Click C# (CSharp) Method

        private void but_add_del_Click(object sender, EventArgs e)
        {
            if (this.rw_com_ww.Text.Trim() == "" || MessageBox.Show("确定要删除当前选中旺旺吗？", "温馨提示", MessageBoxButtons.YesNo, MessageBoxIcon.Question) != DialogResult.Yes)
                return;

            if (this.rw_com_ww.Items.Count == 0)
            {
                MessageBox.Show("至少要关联一个旺旺号", "温馨提示", MessageBoxButtons.OK, MessageBoxIcon.Question);
                return;
            }

            usersClass usersClass = new usersClass();
            string allww = sys.LoginUser.WW.ToString();
            if (usersClass.delete_ww(this.rw_com_ww.Text.Trim(), sys.LoginUser.ID, ref allww) > 0)
            {
                try
                {
                    UsersTBSturct loginUser = sys.LoginUser;
                    loginUser.WW = allww;
                    sys.LoginUser = loginUser;
                    freashWW();
                }
                catch
                {
                }

            }
        }