using?System;
using?System.Collections.Generic;
using?System.ComponentModel;
using?System.Data;
using?System.Drawing;
using?System.Linq;
using?System.Text;
using?System.Threading.Tasks;
using?System.Windows.Forms;

namespace?SDMarquee
{
????public?partial?class?FormMain?:?Form
????{
????????public?FormMain（）
????????{
????????????InitializeComponent（）;
????????}

????????///?

????????///?處理窗體加載事件
????????///?

????????///?事件源
????????///?事件
????????private?void?FormMain_Load（object?sender?EventArgs?e）
????????{
????????????//?啟用計時器
????????????this.timer.Enabled?=?true;
????????}

????????///?

????????///?處理定時器時間步事件
????????///?

????????///?事件源