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 ScrollText

{

    public partial class Form1 : Form

    {

        public Form1()

        {

            InitializeComponent();

        }

        private int PosX = 0; // 定义全局变量

        private void Form1_Load(object sender, EventArgs e)

        {

            timer1.Enabled = true;

            PosX = this.panel.Width;  // 获取初始位置

            this.label.Location = new Point(PosX, this.label.Top);  // 设置label开始滚动的位置

            this.label.Text = "新闻资讯:123456789";  // 设置滚动字幕内容，如内容需要变化，也可以设置变量，将变量赋值给label.Text，

            this.label.AutoSize = true;

            this.label.Visible = true;

            this.label.Parent = this.panel;

            this.panel.BackColor = Color.LightBlue;  // 设置滚动条背景色

        }

        private void ScrollDisplay()

        {

            if (PosX <= -this.label.Size.Width)

            {

                PosX = this.panel.Width + 3;

            }

            PosX = PosX - 3;  // 位置偏差，可控制字幕移动的快慢

            this.label.Location = new Point(PosX, this.label.Top);

        }

        private void timer1_Tick(object sender, EventArgs e)

        {

            ScrollDisplay();

        }

    }

}