form1.cs

清华大学出版社出版的 移动应用开发宝典 张大威（2008）的附书源代码

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Runtime.InteropServices;

using System.Reflection;

namespace VoiceCall
{
    public partial class Form1 : Form
    {
        private Telephony t = new Telephony();
       

        public Form1()
        {
            InitializeComponent();
        }

        private void btnCall_Click(object sender, EventArgs e)
        {
            Chapter9.Phone.MakeCall(txtPhoneNumber.Text, true);
        }

        private void chkFlight_CheckStateChanged(object sender, EventArgs e)
        {
            t.PhoneEnabled = !chkFlight.Checked;

        }

        private void btnRasConnections_Click(object sender, EventArgs e)
        {
            foreach (string connectionName in Chapter9.Ras.Entries)
            {
                MessageBox.Show(connectionName);
            }
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            
            
        }

        

        private void Form1_Closing(object sender, CancelEventArgs e)
        {
            t.Dispose();
        }

        
        Chapter9.RasConnection rc;

        private void btnRas_Click(object sender, EventArgs e)
        {
            try
            {
                rc = Chapter9.Ras.Dial(txtRas.Text, null, null, null);
            }
            catch(System.ComponentModel.Win32Exception we)
            {
                MessageBox.Show(we.Message + " : " + we.NativeErrorCode.ToString("X"));
            }
        }

        private void btnHangup_Click(object sender, EventArgs e)
        {
            if (rc != null)
            {
                rc.HangUp();
            }
        }
    }
}