读取注册表参考:
//using Microsoft.Win32;RegistryKey vRegistryKey = Registry.LocalMachine.OpenSubKey(
@"SOFTWARE\Microsoft\Windows\CurrentVersion\App Paths\Winword.exe", true);
string path = (string)vRegistryKey.GetValue("Path", "");
Console.WriteLine(path);
遍历文件参考:
//using System.IO;
foreach (string file in Directory.GetFiles(path))
{
Console.WriteLine(file);
}添加到ListBox中参考:
foreach (string file in Directory.GetFiles(path))
{
listBox1.Items.Add(Path.GetFileName(file));
}询问对话框参考:
private void button1_Click(object sender, EventArgs e)
{
switch (MessageBox.Show("是否?", "询问", MessageBoxButtons.YesNo))
{
case DialogResult.Yes:
Console.WriteLine("是");
break;
default:
Console.WriteLine("否");
break;
}
}
//using Microsoft.Win32;RegistryKey vRegistryKey = Registry.LocalMachine.OpenSubKey(
@"SOFTWARE\Microsoft\Windows\CurrentVersion\App Paths\Winword.exe", true);
string path = (string)vRegistryKey.GetValue("Path", "");
Console.WriteLine(path);
遍历文件参考:
//using System.IO;
foreach (string file in Directory.GetFiles(path))
{
Console.WriteLine(file);
}添加到ListBox中参考:
foreach (string file in Directory.GetFiles(path))
{
listBox1.Items.Add(Path.GetFileName(file));
}询问对话框参考:
private void button1_Click(object sender, EventArgs e)
{
switch (MessageBox.Show("是否?", "询问", MessageBoxButtons.YesNo))
{
case DialogResult.Yes:
Console.WriteLine("是");
break;
default:
Console.WriteLine("否");
break;
}
}
2、用 string path = @"E:\database";
System.IO.Directory.GetFiles(path);
System.IO.Directory.GetDirectories(path);
3、 if (MessageBox.Show("world", "hello", MessageBoxButtons.YesNo) == DialogResult.Yes)
{
// user said 'yes'
}
至于第一个问题,有点迷惑,我想你的应用目的可能是,找到一台电脑的注册表,然后找到所有的应用软件,并列出其目录及下面的文件。如果一个软件需要写入注册表,注册表中保存的信息会纪录其主要程序的位置,并不能记录所有的。