}
public void save()//这个方法用户保存，它会新建一个与原文件同名的文件将原文件覆盖，实现对原文件的复写 {
FileStream fs = new FileStream(@\通讯录.txt\FileMode.Create, FileAccess.Write);
StreamWriter sw = new StreamWriter(fs, Encoding.Default);
for (int i = 0; i < this.listView1.Items.Count; i++) {
sw.WriteLine(string.Format(\listView1.Items[i].SubItems[0].Text,
listView1.Items[i].SubItems[1].Text, listView1.Items[i].SubItems[2].Text,
listView1.Items[i].SubItems[3].Text)); }
sw.Close(); fs.Close(); }
//下面是保存方法，能将编辑后的列表信息保存到通讯录中并给出提示 private void savebutton_Click(object sender, EventArgs e) {
ischanged = false; save();
MessageBox.Show(\保存成功\ }
//下面方法实现这样的功能：点击修改按钮，系统会将修改组件在显示与隐藏直接切换
private void alterbutton_Click(object sender, EventArgs e) {
if (panel1.Visible == true) {
panel1.Visible = false; } else {
panel1.Visible = true; } }
private void button4_Click(object sender, EventArgs e) {
ischanged = true;
if (listView1.SelectedItems.Count >= 1) {
ListViewItem
item
=
listView1.SelectedItems[listView1.SelectedItems.Count - 1]; if
&& !textbox2.Text.Contains(\
(!textbox1.Text.Contains(\
!textbox3.Text.Contains(\&& !textbox4.Text.Contains(\ {
if (textbox1.Text != \用户输入的姓名不能为空 {
if (Regex.IsMatch(textbox3.Text, \ {
item.SubItems[0].Text = textbox1.Text; item.SubItems[1].Text = textbox2.Text; item.SubItems[2].Text = textbox3.Text; item.SubItems[3].Text = textbox4.Text; MessageBox.Show(\修改成功\ textbox1.Clear(); textbox2.Clear(); textbox3.Clear(); textbox4.Clear(); }
else MessageBox.Show(\输入的电话号码只能为数字\
}
else MessageBox.Show(\用户输入姓名不能为空\ }
else MessageBox.Show(\修改失败，字符“*&$”是系统定义的特殊字符，请用户不要使用\
}
} private FormClosingEventArgs e) {
if (ischanged) {
DialogResult result = MessageBox.Show(\发现您有未保存的修改，是否要将修改应用到通讯录\
\提示信息\MessageBoxButtons.YesNoCancel, MessageBoxIcon.Information);
if (result == DialogResult.Cancel) {
e.Cancel = true; }
else if (result == DialogResult.No) {
e.Cancel = false;
} else {
save();
void
ManageForm_FormClosing(object
sender,
e.Cancel = false; } }
else { e.Cancel = false; } } } }
----------------------------------快速查找.Designer.cs------------------------
namespace WindowsFormsApplication3 {
partial class 快速查找 {
///
/// Required designer variable. ///
private System.ComponentModel.IContainer components = null;
///
/// Clean up any resources being used. ///
///
protected override void Dispose(bool disposing) {
