PPT倒计时(C#)源代码

vs2005, PPT倒计时

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前些日子  老师要求做个PPT倒计时  即是时间到了就把PPT强行给关闭在演示的时候防止有些人厚脸皮拖时间  我用VS2005做的  测试成功
From1.cs:
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
namespace ppttime
{
public partial class Form1 : Form
{

      private string myval;
      public string Form1Value
      {
         get {
            return myval;
         }
         set {
            myval = value;
         }
      }
      public Form1()
      {
         InitializeComponent();
      }
      private void Form1_Load(object sender, EventArgs e)
      {
         comboBox1.Items.Add("1分钟");
         comboBox1.Items.Add("3分钟");
         comboBox1.Items.Add("5分钟");
         comboBox1.Items.Add("10分钟");
         comboBox1.Items.Add("15分钟");
         comboBox1.Items.Add("20分钟");
      }
      private void button1_Click(object sender, EventArgs e)
      {
         this.Form1Value = comboBox1.Text;
         Form2 myform2 = new Form2();
         myform2.Owner = this;//将自己的引用放到myform2实例的Owner属性。
         myform2.Show();
         this.Hide();
         myform2.FormClosing += Form2_FormClosing; //关闭窗体2前显示窗体1
      }
      private void Form2_FormClosing(object sender, FormClosingEventArgs e)
      {
         this.Show();
      }
}
}

From2.cs:
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
namespace ppttime
{
public partial class Form2 : Form
{
      Form1 myform1 ;//申明一个对象
      int timecount;
      public Form2()
      {
         InitializeComponent();
      }
      private void Form2_Load(object sender, EventArgs e)
      {
         this.Top=0;this.Left=Screen.PrimaryScreen.WorkingArea.Width-104;
         myform1 = (Form1)this.Owner;  //将引用(owner)转化为Form1赋给myfrom1，此时myfrom1实例就是你以前的那个实例。
         string t1 = myform1.Form1Value;
         string[]  t2 = t1.Split(new char[2]{'分','钟'});//将时间值分离出来
         timecount = Convert.ToInt32(t2[0]) * 60;//将时间值转换成整形并以秒为单位
         label1.Text = Convert.ToString(timecount+"秒");//显示设定的时间
         timer1.Start();
      }

      private void FullScreen() //全屏显示时的函数
      {
      this.WindowState = FormWindowState.Maximized;
      Font label1_font = new Font("宋体",72);
      this.label1.Font = label1_font;
      label1.Top = (this.Height-label1.Height) / 2;
      label1.Left = (this.Width-label1.Width) / 2;
      }
      private void timer1_Tick(object sender, EventArgs e)
      {
         timecount = timecount - 1;
         if (timecount > 10 && timecount%10==0)
         {
            label1.Text = Convert.ToString(timecount + "秒");
         }
         if(0< timecount && timecount<=10)
         {
            label1.Text = Convert.ToString(timecount + "秒");
         }
         if(timecount == 0)
         {
            label1.Text = "时间到了";
            FullScreen();
            CloseProcess("POWERPNT");
         }
         if (timecount == -3)
         {
            timer1.Enabled = false;
            this.Close();
         }

      }
      private void CloseProcess(string myprocess)//定义结束进程函数
      {
         foreach (System.Diagnostics.Process thisproc in System.Diagnostics.Process.GetProcesses())
         {
            if (thisproc.ProcessName.ToString() == myprocess)
            {
                  thisproc.Kill();
            }
         }
      }
}
}

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