代码如下:

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 YYS
{
    public partial class MainForm : Form
    {
        public MainForm()
        {
            InitializeComponent();
          
        }
        private void AddList()
        {              
            DateTime dt = DateTime.Now;
            ListDate(dt);
            if (list == null || list.Count == 0)
                return;
            if (this.listboxliebiao.Items.Count > 0)
            {               
                this.listboxliebiao.Items.Clear();
            }
            foreach (DateTime item in list)
            {
                listboxliebiao.Items.Add(item);
            }
        }
        private string ListItem(string str)
        {
            string strName = "";
            DateTime dt = Convert.ToDateTime(str);
            return strName;
        }

        private List<DateTime> list ;
        private void ListDate(DateTime dt)
        {
            if (dt.Minute < 30)
            {
                dt = dt.AddMinutes(-dt.Minute);
            }
            else
            {
                dt = dt.AddMinutes(60 - dt.Minute);
            }
            if (this.radioButton1.Checked)
            {
                list = new List<DateTime>();
                DateTime date = new DateTime();
                date = dt.AddHours(-12);
                for (int i = 0; i < 24; i++)
                {
                    date = date.AddMinutes(30);
                    list.Add(date);
                }
            }
            else if(this.radioButton2.Checked)
            {
                list = new List<DateTime>();
                DateTime date = new DateTime();
                date = dt.AddHours(-24);
                for (int i = 0; i < 48; i++)
                {
                    date = date.AddMinutes(30);
                    list.Add(date);
                }            
            }
        }

        private string time_to_string(DateTime dt)
        {      
            int hours = dt.Hour-8;
            int minute = dt.Minute;
            string time = "";
            time += dt.Year.ToString();
            time += dt.Month.ToString().PadLeft(2, '0');
            if (hours < 0)
            {
                int day = dt.Day - 1;
                time += day.ToString().PadLeft(2, '0');
                int our = 24 + hours;
                time += our;
            }
            else
            {
                time += dt.Day.ToString().PadLeft(2, '0');
                time += hours.ToString().PadLeft(2, '0');
            }
            if (minute < 30)
            {
                time += "00";
            }
            else
            {
                time += "30";
            }
            time += "00000";
            return time;
        }

        private void MainForm_Load(object sender, EventArgs e)
        {
            this.skinEngine1.SkinFile = @"MacOS.ssk";
            AddList();
            //listboxliebiao.SelectedIndex =0;
            this.comboBox1.Items.Add("1");
            this.comboBox1.Items.Add("3");
            this.comboBox1.Items.Add("5");
            comboBox1.SelectedIndex = 0;
        }

        private void radioButton2_Click(object sender, EventArgs e)
        {
            AddList();
            //默认选中第一项
            listboxliebiao.SelectedIndex = 0;
        }

        private void listboxliebiao_SelectedIndexChanged(object sender, EventArgs e)
        {
            DateTime dt =Convert.ToDateTime( this.listboxliebiao.SelectedItem);           
            string name = time_to_string(dt);      
            string url = "http://image.weather.gov.cn/product/" + dt.Year.ToString() + "/" + dt.Year.ToString() + dt.Month.ToString().PadLeft(2, '0')
                + "/" + dt.Year.ToString() + dt.Month.ToString().PadLeft(2, '0') + dt.Day.ToString().PadLeft(2, '0')
                + "/WXCL/medium/SEVP_NSMC_WXCL_ASC_E99_ACHN_LNO_PY_";
            url = url + name + ".JPG";
            pictureBoxyuntu.LoadAsync(url);
        }

        private void radioButton1_Click(object sender, EventArgs e)
        {
            AddList();
            //默认选中第一项
            listboxliebiao.SelectedIndex =0;

        }

        private void btnStart_Click(object sender, EventArgs e)
        {
            ////如果播放过程中点击247小时按钮则停止播放,防止报错
            if (radioButton1.Checked == true)
            {
                radioButton2.Enabled = false;
            }
            else
            {
                radioButton1.Enabled = false;
            }

            if (listboxliebiao.SelectedIndices.Count < 1)
                return;
            try
            {
                double dInteral = Convert.ToDouble(comboBox1.Text);
                dInteral = dInteral * 1000;
                if (dInteral < 1000)
                {
                    MessageBox.Show("输入的播放速度过小!","提示");
                    return;
                }
       
                SatelliteTimer.Interval = (int)dInteral;
            }
            catch (Exception ex)
            {
                MessageBox.Show("播放出错!","提示");
            }
            SatelliteTimer.Enabled = true;
        }

        private void btnStop_Click(object sender, EventArgs e)
        {
            //如果停止,则12小时和24小时均可选择
            {
                radioButton1.Enabled = true;
                radioButton2.Enabled = true;
            }
                SatelliteTimer.Enabled = false;
                SatelliteTimer.Interval = 1000;
           
        }

        private void SatelliteTimer_Tick(object sender, EventArgs e)
        {
            SatelliteTimer.Interval = Convert.ToInt32(comboBox1.Text) * 1000;


            int i = Convert.ToInt32(listboxliebiao.SelectedIndices[0]);
            if (i >= 0 && i < listboxliebiao.Items.Count - 1)
            {
                listboxliebiao.SetSelected(i+1,true);
            }
        }

        private void timerSystemtimenow_Tick(object sender, EventArgs e)
        {
            labeltimenow.Text = "当前系统时间:"+System.DateTime.Now.ToString();
            labeltimenow.ForeColor = Color.Blue;
        }
    }
}
更改优化后效果图:



新版本更新内容:

1.增加系统时间显示;

2.默认选中listbox和combobox第一个选项;

3.增加Mac皮肤显示;

4.调整页面布局;

5.更改播放过程中选择另一个radioButton出错的Bug。

源代码下载


本文转载:CSDN博客