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C#編寫自動關(guān)機程序復習的知識

首先一個程序***要素是logo

在設置里面可以設置程序圖標，在ICON里設置。

ICON圖標可以在網(wǎng)上下載。

這些都是表面功夫

程序中涉及到Buton、Label、Timer、Notiflcon控件

Button按鈕控件，可以設計點擊事件

如下所示：

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private void button1_Click(object sender, EventArgs e)

        {

           // int shi, fen, miao;

            if (Flag_True == 0)

            {

                Flag_True = 1;

            }

            else

            {

                button1.Text = "確定";

                label6.Text = " ";

                label7.Text = " ";

                label5.Text = " ";

                //label1.Text = "定時關(guān)機設置";

                Flag_True = 0;

            }

            shi = (int)numericUpDown3.Value;

            fen = (int)numericUpDown2.Value;

            miao = (int)numericUpDown1.Value;

            time_set = shi * 3600 + fen * 60 + miao;

        }

 label控件操作簡單

能夠顯示字符，并且其成員有text，可以隨時更改文本

timer控件相當于嵌入式中的定時器，在屬性中行為一欄中設置ENABLE 并且設置interval時間間隔500就是半秒。

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private void timer1_Tick(object sender, EventArgs e)

        {

            Int32 time_now;

            Int32 extra;

            if (Flag_True == 1)

            {

                if (DateTime.Now.Minute == fen && DateTime.Now.Hour == shi && DateTime.Now.Second == miao)

                {

                    button1.Text = "取消";

                    label6.Text = "剩余關(guān)機時間";

                    label7.Text = "秒";

                    label5.Text = "0";

                    System.Diagnostics.Process.Start("shutdown","-s -t 0");//關(guān)機程序

                }//shutdown

                else

                {

                    time_now = DateTime.Now.Second + DateTime.Now.Minute * 60 + DateTime.Now.Hour * 3600;

                    extra = time_set - time_now;

                    if (extra > 0)

                    {

                        button1.Text = "取消";

                        label6.Text = "剩余關(guān)機時間";

                        label7.Text = "秒";

                        //extra/3600

                        label5.Text = extra.ToString();

                    }

                    else

                    {

                        Flag_True = 0;

                    }

                        

                    

                }

            }

        }

 上面我每隔半秒進入中斷一次，判斷，如果已經(jīng)設置過定時關(guān)機，就判斷是否到達關(guān)機時間，并顯示還剩多少秒關(guān)機。如果沒有設置定時關(guān)機，就不顯示。

其中button1和Label的text都可以隨時更改。

基本功能設置完成

接下來還有一個最小化到托盤的設置

用到Notiflcon控件

此控件設置最小化圖標，在設置里可以設置icon圖標。

他帶有的事件有鼠標單擊，鼠標雙擊，單擊，雙擊。

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private void notifyIcon1_MouseClick(object sender, MouseEventArgs e)

        {

            this.Visible = true;

            this.WindowState = FormWindowState.Normal;

            this.notifyIcon1.Visible = false;

        }

 上述我設置了鼠標單擊，代碼里是恢復可視化，正常窗口。

再之得設置程序最小化時隱藏在下邊

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private void Form1_SizeChanged(object sender, EventArgs e)

        {

            if (this.WindowState == FormWindowState.Minimized)

            {

                this.Hide();

                this.notifyIcon1.Visible = true;

            }

        }

 上述就是一個關(guān)機程序，自己做著玩的。。

整體構(gòu)架如下圖所示。

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namespace 關(guān)機任務管理V1._0

{

    public partial class Form1 : Form

    {

        int shi, fen, miao;

        Int32 time_set;

        int Flag_True = 0;

        public Form1()

        {

            

            InitializeComponent();

        }

        private void Form1_Load(object sender, EventArgs e)

        {

            

        }

        private void numericUpDown1_ValueChanged(object sender, EventArgs e)

        {

            if (numericUpDown1.Value == -1)

                numericUpDown1.Value = 60;

            else if (numericUpDown1.Value == 61)

                numericUpDown1.Value = 0;

        }

        private void numericUpDown2_ValueChanged(object sender, EventArgs e)

        {

            if (numericUpDown2.Value == -1)

                numericUpDown2.Value = 60;

            else if (numericUpDown2.Value == 61)

                numericUpDown2.Value = 0;

        

        }

        private void numericUpDown3_ValueChanged(object sender, EventArgs e)

        {

            if (numericUpDown3.Value == 25)

                numericUpDown3.Value = 0;

            else if (numericUpDown3.Value == -1)

                numericUpDown3.Value = 24;

        }

        private void button1_Click(object sender, EventArgs e)

        {

           // int shi, fen, miao;

            if (Flag_True == 0)

            {

                Flag_True = 1;

            }

            else

            {

                button1.Text = "確定";

                label6.Text = " ";

                label7.Text = " ";

                label5.Text = " ";

                //label1.Text = "定時關(guān)機設置";

                Flag_True = 0;

            }

            shi = (int)numericUpDown3.Value;

            fen = (int)numericUpDown2.Value;

            miao = (int)numericUpDown1.Value;

            time_set = shi * 3600 + fen * 60 + miao;

        }

        private void timer1_Tick(object sender, EventArgs e)

        {

            Int32 time_now;

            Int32 extra;

            if (Flag_True == 1)

            {

                if (DateTime.Now.Minute == fen && DateTime.Now.Hour == shi && DateTime.Now.Second == miao)

                {

                    button1.Text = "取消";

                    label6.Text = "剩余關(guān)機時間";

                    label7.Text = "秒";

                    label5.Text = "0";

                    System.Diagnostics.Process.Start("shutdown","-s -t 0");//關(guān)機程序

                }//shutdown

                else

                {

                    time_now = DateTime.Now.Second + DateTime.Now.Minute * 60 + DateTime.Now.Hour * 3600;

                    extra = time_set - time_now;

                    if (extra > 0)

                    {

                        button1.Text = "取消";

                        label6.Text = "剩余關(guān)機時間";

                        label7.Text = "秒";

                        //extra/3600

                        label5.Text = extra.ToString();

                    }

                    else

                    {

                        Flag_True = 0;

                    }

                        

                    

                }

            }

        }

        private void label5_Click(object sender, EventArgs e)

        {

        }

        private void label4_Click(object sender, EventArgs e)

        {

        }

        private void label3_Click(object sender, EventArgs e)

        {

        }

        private void label6_Click(object sender, EventArgs e)

        {

        }

        private void notifyIcon1_MouseClick(object sender, MouseEventArgs e)

        {

            this.Visible = true;

            this.WindowState = FormWindowState.Normal;

            this.notifyIcon1.Visible = false;

        }

        //最小化代碼

        private void Form1_SizeChanged(object sender, EventArgs e)

        {

            if (this.WindowState == FormWindowState.Minimized)

            {

                this.Hide();

                this.notifyIcon1.Visible = true;

            }

        }

    }

}

 界面如下：


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