C#-循環滾動字幕,timer,從左至右,從右至左,暫停---ShinePans

C#-循環滾動字幕,timer,從左至右,從右至左,暫停---ShinePans

Lable的Left屬性是可以更改的,但是 Right屬性不可以更改,所以我們可以利用 這個特點做自加 自減運算

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 滾動字幕
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void timer1_Tick(object sender, EventArgs e)
        {
            this.label2.Left += 8;  //向右移動3個像素
            if(this.label2.Left>this.Width)
            {
                this.label2.Left = 0-label2.Width;   //標簽左位置為當前控件寬度
            }
        }

        private void button1_Click(object sender, EventArgs e)
        {
            this.timer2.Stop();
            this.timer1.Start();  //打開計時器
        }

        private void button2_Click(object sender, EventArgs e)
        {
            this.timer1.Stop(); //停止計時器
            this.timer2.Stop();
        }

        private void button3_Click(object sender, EventArgs e)
        {
            this.timer1.Stop();
            this.timer2.Start();
        }

        private void timer2_Tick(object sender, EventArgs e)
        {
            this.label2.Left -= 8;  //向右移動3個像素
            if (this.label2.Right <0)
            {
                this.label2.Left = this.Width;   //標簽左位置為當前控件寬度
            }
        }
    }
}

效果: