C#小闹钟 简单实用

简单实用闹钟小程序。

Timer控件实现定时操作任务。

Code

 1private System.Timers.Timer time;

 2        

 3        //定义委托

 4        private delegate void AddDateTimeToLabelDL(Label Label, string str);

 5        private AddDateTimeToLabelDL oAddDateTimeToLabel;

 6        AddDateTimeToLabel刷新时间#region AddDateTimeToLabel刷新时间

 7        private void AddDateTimeToLabelMethod(Label Label, string str)

 8        {

 9            Label.Text = str;

            Label.Refresh();

        }

        #endregion

        private void btnStart_Click(object sender, EventArgs e)

        {

            time = new System.Timers.Timer();

            time.Elapsed += new System.Timers.ElapsedEventHandler(time_Elapsed);

            time.Interval = 100;

            time.Enabled = true;

            btnStart.Enabled = false;

        }



        void time_Elapsed(object sender, System.Timers.ElapsedEventArgs e)

        {

            //异步处理刷新界面显示当前时间

            if (this.label1.InvokeRequired)

            {

                this.BeginInvoke(this.oAddDateTimeToLabel, new object[] { this.label1, System.DateTime.Now.ToString() });

            }

            if (System.DateTime.Now >= dTimePick.Value)

            {

                if (axWindowsMediaPlayer1.playState != WMPLib.WMPPlayState.wmppsPlaying)

                {

                    axWindowsMediaPlayer1.Ctlcontrols.play();

                }           

            }

        }



        private void btnEnd_Click(object sender, EventArgs e)

        {

            time.Enabled = false;

            btnStart.Enabled = true;

            if (axWindowsMediaPlayer1.playState == WMPLib.WMPPlayState.wmppsPlaying)

            {

                axWindowsMediaPlayer1.Ctlcontrols.stop();

            }     

        }



        private void mFrm_Load(object sender, EventArgs e)

        {

            oAddDateTimeToLabel = new AddDateTimeToLabelDL(this.AddDateTimeToLabelMethod);

        }

 

 1        private  System.Timers.Timer time;
 2
 3//定义委托
 4        private delegate void AddDateTimeToLabelDL(Label Label, string str);
 5        private AddDateTimeToLabelDL oAddDateTimeToLabel;
 6        AddDateTimeToLabelMethod刷新时间#region AddDateTimeToLabelMethod刷新时间
 7        private void AddDateTimeToLabelMethod(Label Label, string str)
 8        {
 9            Label.Text = str;
            Label.Refresh();
        }
        #endregion
        private void btnStart_Click(object sender, EventArgs e)
        {
            time = new System.Timers.Timer();
            time.Elapsed += new System.Timers.ElapsedEventHandler(time_Elapsed);
            time.Interval = 100;//设置时间间隔
            time.Enabled = true;//
            btnStart.Enabled = false;
        }

        void time_Elapsed(object sender, System.Timers.ElapsedEventArgs e)
        {
            //实现实时刷新界面当前时间
            if (this.label1.InvokeRequired)
            {
                this.BeginInvoke(this.oAddDateTimeToLabel, new object[] { this.label1, System.DateTime.Now.ToString() });
            }
            //当前时间大于时，调用WindowsMediaPlayer自动循环播放MP3.
            if (System.DateTime.Now >= dTimePick.Value)
            {
                if (axWindowsMediaPlayer1.playState != WMPLib.WMPPlayState.wmppsPlaying)
                {
                    axWindowsMediaPlayer1.Ctlcontrols.play();
                }           
            }
        }