闹钟小程序（C#源码）

用C#写的闹钟小程序，可以自定义选择闹钟响铃时间以及响铃的音乐，可以实时查看闹钟响铃倒计时
  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;using System.Media;namespace AlarmClock{ public partial class AlarmClock : Form { private bool BeginAlarm = false; private DateTime AlarmTime; private SoundPlayer AlarmBell; private long CountDownTime; public AlarmClock() { InitializeComponent(); } private void Clock_Load(object sender, EventArgs e) { ToolTip testTip = new ToolTip(); testTip.IsBalloon = true; testTip.SetToolTip(TestButton, "测试选择的音乐是否可用"); timer1.Interval = 1000; timer1.Enabled = true; this.AcceptButton = BeginButton; PathBox.Text = Application.StartupPath.ToString() @"\Music\ring.wav"; } private void Clock_FormClosing(object sender, FormClosingEventArgs e) { try { SystemSounds.Exclamation.Play(); } catch { } if (MessageBox.Show("请确认是否退出程序？", "提示", MessageBoxButtons.OKCancel, MessageBoxIcon.Question) == DialogResult.OK) { e.Cancel = false; } else { e.Cancel = true; } } private void BeginButton_Click(object sender, EventArgs e) { if (TestButton.Text == "停止") { SystemSounds.Hand.Play(); MessageBox.Show("请先停止测试闹钟铃声！", "提示"); return; } if (Time3.Checked) { try { int hour = Convert.ToInt32(HourBox.Text.Trim()); int minute = Convert.ToInt32(MinuteBox.Text.Trim()); if (hour < 0 || hour > 23 || minute < 0 || minute > 60) { SystemSounds.Hand.Play(); MessageBox.Show("起床时间设置有误！", "警告"); return; } } catch (Exception) { SystemSounds.Hand.Play(); MessageBox.Show("起床时间设置有误！", "警告"); return; } } string AlarmTime1 = HourBox.Text.Trim() ":" MinuteBox.Text.Trim() ":" "00"; AlarmTime = DateTime.Parse(AlarmTime1); if (DateTime.Compare(AlarmTime, DateTime.Now) > 0) { SystemSounds.Asterisk.Play(); MessageBox.Show("请务必测试闹钟铃声是否可用！", "提示"); BeginAlarm = true; HourBox.Enabled = false; MinuteBox.Enabled = false; BeginButton.Visible = false; SelectButton.Visible = false; TestButton.Visible = false; Time1.Visible = false; Time2.Visible = false; Time3.Visible = false; StopButton.Visible = true; Count_Down.Visible = true; HourLabel.Visible = true; MinuteLabel.Visible = true; SecondLabel.Visible = true; CountDown_Hour.Visible = true; CountDown_Minute.Visible = true; CountDown_Second.Visible = true; } else { SystemSounds.Hand.Play(); MessageBox.Show("起床时间小于当前时间！", "警告"); } } private void timer1_Tick(object sender, EventArgs e) { DateTime NowTime = DateTime.Now; Now_Time.Text = NowTime.ToString(); if (BeginAlarm) { TimeSpan CountDown = AlarmTime - NowTime; HourLabel.Text = CountDown.Hours.ToString(); MinuteLabel.Text = CountDown.Minutes.ToString(); SecondLabel.Text = CountDown.Seconds.ToString(); CountDownTime = CountDown.Hours * 3600 CountDown.Minutes * 60 CountDown.Seconds; TimeLabel.Text = CountDownTime.ToString(); } } private void StopButton_Click(object sender, EventArgs e) { SystemSounds.Exclamation.Play(); if (MessageBox.Show("请确认是否结束倒计时？", "提示", MessageBoxButtons.OKCancel, MessageBoxIcon.Question) == DialogResult.OK) { BeginAlarm = false; HourBox.Enabled = true; MinuteBox.Enabled = true; BeginButton.Visible = true; SelectButton.Visible = true; TestButton.Visible = true; Time1.Visible = true; Time2.Visible = true; Time3.Visible = true; StopButton.Visible = false; Count_Down.Visible = false; HourLabel.Visible = false; MinuteLabel.Visible = false; SecondLabel.Visible = false; CountDown_Hour.Visible = false; CountDown_Minute.Visible = false; CountDown_Second.Visible = false; HourLabel.Text = "0"; MinuteLabel.Text = "0"; SecondLabel.Text = "0"; CountDownTime = 1; TimeLabel.Text = "000000"; } } private void PlayAlarmBell() { AlarmBell = new SoundPlayer(); AlarmBell.SoundLocation = PathBox.Text.Trim(); try { AlarmBell.PlayLooping(); DialogResult res = MessageBox.Show("起床啦！起床啦！起床啦！", "提示"); if (res == DialogResult.OK) { AlarmBell.Stop(); AlarmBell.Dispose(); } } catch (Exception) { SystemSounds.Hand.Play(); MessageBox.Show("无效闹钟铃声！", "警告"); AlarmBell.Dispose(); } } private void TestAlarmBell() { if (TestButton.Text == "测试") { AlarmBell = new SoundPlayer(); AlarmBell.SoundLocation = PathBox.Text.Trim(); try { AlarmBell.PlayLooping(); TestButton.Text = "停止"; SelectButton.Enabled = false; } catch (Exception) { SystemSounds.Hand.Play(); MessageBox.Show("无效闹钟铃声！", "警告"); AlarmBell.Dispose(); TestButton.Text = "测试"; SelectButton.Enabled = true; } } else { try { AlarmBell.Stop(); AlarmBell.Dispose(); } catch (Exception) { SystemSounds.Hand.Play(); MessageBox.Show("未知错误！", "提示"); } finally { TestButton.Text = "测试"; SelectButton.Enabled = true; } } } private void TestButton_Click(object sender, EventArgs e) { TestAlarmBell(); //SystemSounds.Asterisk.Play(); //SystemSounds.Beep.Play(); //SystemSounds.Exclamation.Play(); //SystemSounds.Hand.Play(); //SystemSounds.Question.Play(); } private void SelectButton_Click(object sender, EventArgs e) { OpenFileDialog ofd = new OpenFileDialog(); ofd.InitialDirectory = @"F:\Alarm Clock\"; //默认打开目录 ofd.Filter = "铃声文件|*.wav"; //显示的文件类型 ofd.RestoreDirectory = true; //对话框记忆之前打开的目录 ofd.FilterIndex = 1; //文件类型的显示顺序 if (ofd.ShowDialog() == DialogResult.OK) //选中文件 { string BellPath = ofd.FileName; PathBox.Text = BellPath; } } private void TimeLabel_TextChanged(object sender, EventArgs e) { if (CountDownTime <= 0) { BeginAlarm = false; PlayAlarmBell(); HourBox.Enabled = true; MinuteBox.Enabled = true; BeginButton.Visible = true; SelectButton.Visible = true; TestButton.Visible = true; Time1.Visible = true; Time2.Visible = true; Time3.Visible = true; StopButton.Visible = false; Count_Down.Visible = false; HourLabel.Visible = false; MinuteLabel.Visible = false; SecondLabel.Visible = false; CountDown_Hour.Visible = false; CountDown_Minute.Visible = false; CountDown_Second.Visible = false; HourLabel.Text = "0"; MinuteLabel.Text = "0"; SecondLabel.Text = "0"; CountDownTime = 1; TimeLabel.Text = "000000"; } } private void Time1_CheckedChanged(object sender, EventArgs e) { HourBox.Text = "13"; MinuteBox.Text = "30"; HourBox.Enabled = false; MinuteBox.Enabled = false; } private void Time2_CheckedChanged(object sender, EventArgs e) { HourBox.Text = "14"; MinuteBox.Text = "00"; HourBox.Enabled = false; MinuteBox.Enabled = false; } private void Time3_CheckedChanged(object sender, EventArgs e) { HourBox.Enabled = true; MinuteBox.Enabled = true; } }}