本文整理汇总了C#中System.IO.FileSystemWatcher.Changed事件的典型用法代码示例。如果您正苦于以下问题：C# FileSystemWatcher.Changed事件的具体用法？C# FileSystemWatcher.Changed怎么用？C# FileSystemWatcher.Changed使用的例子？那么恭喜您, 这里精选的事件代码示例或许可以为您提供帮助。您也可以进一步了解该事件所在类System.IO.FileSystemWatcher的用法示例。
在下文中一共展示了FileSystemWatcher.Changed事件的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: Main
//引入命名空间
using System;
using System.IO;
using System.Security.Permissions;
public class Watcher
{
public static void Main()
{
Run();
}
[PermissionSet(SecurityAction.Demand, Name = "FullTrust")]
private static void Run()
{
string[] args = Environment.GetCommandLineArgs();
// If a directory is not specified, exit program.
if (args.Length != 2)
{
// Display the proper way to call the program.
Console.WriteLine("Usage: Watcher.exe (directory)");
return;
}
// Create a new FileSystemWatcher and set its properties.
using (FileSystemWatcher watcher = new FileSystemWatcher())
{
watcher.Path = args[1];
// Watch for changes in LastAccess and LastWrite times, and
// the renaming of files or directories.
watcher.NotifyFilter = NotifyFilters.LastAccess
| NotifyFilters.LastWrite
| NotifyFilters.FileName
| NotifyFilters.DirectoryName;
// Only watch text files.
watcher.Filter = "*.txt";
// Add event handlers.
watcher.Changed += OnChanged;
watcher.Created += OnChanged;
watcher.Deleted += OnChanged;
watcher.Renamed += OnRenamed;
// Begin watching.
watcher.EnableRaisingEvents = true;
// Wait for the user to quit the program.
Console.WriteLine("Press 'q' to quit the sample.");
while (Console.Read() != 'q') ;
}
}
// Define the event handlers.
private static void OnChanged(object source, FileSystemEventArgs e) =>
// Specify what is done when a file is changed, created, or deleted.
Console.WriteLine($"File: {e.FullPath} {e.ChangeType}");
private static void OnRenamed(object source, RenamedEventArgs e) =>
// Specify what is done when a file is renamed.
Console.WriteLine($"File: {e.OldFullPath} renamed to {e.FullPath}");
}示例2: Main
//引入命名空间
using System;
using System.Data;
using System.Data.SqlClient;
using System.Drawing;
using System.IO;
public class Test
{
public static void Main(){
FileSystemWatcher watcher = new FileSystemWatcher();
Console.WriteLine("Started....");
//watcher.SynchronizingObject = this;
watcher.Path =Path.GetDirectoryName(@"C:\Java_Dev\");
watcher.Filter = Path.GetFileName(@"c:\a.txt");
watcher.NotifyFilter = NotifyFilters.LastWrite | NotifyFilters.FileName | NotifyFilters.Size;
watcher.Deleted += new System.IO.FileSystemEventHandler(OnDelete);
watcher.Renamed += new System.IO.RenamedEventHandler(OnRenamed);
watcher.Changed += new System.IO.FileSystemEventHandler(OnChanged);
watcher.Created += new System.IO.FileSystemEventHandler(OnCreate);
watcher.EnableRaisingEvents = true;
Console.ReadLine();
}
public static void OnChanged(object source, FileSystemEventArgs e) {
Console.WriteLine("File: {0} {1}", e.FullPath, e.ChangeType.ToString());
}
public static void OnRenamed(object source, RenamedEventArgs e){
Console.WriteLine("File renamed from {0} to {1}", e.OldName, e.FullPath);
}
public static void OnDelete(object source, FileSystemEventArgs e)
{
Console.WriteLine("File: {0} Deleted", e.FullPath);
}
public static void OnCreate(object source, FileSystemEventArgs e)
{
Console.WriteLine("File: {0} Created", e.FullPath);
}
}