@msdn=http://search.microsoft.com/search/results.aspx?qu=$$$ @pinvoke=http://pinvoke.net/$$$.htm Summary: TODO - a short description !!!!C# Signature: [DllImport("shell32.dll", SetLastError=true)] static extern TODO FileSystemWatcher(TODO); !!!!VB Signature: Declare Function FileSystemWatcher Lib "shell32.dll" (TODO) As TODO !!!!User-Defined Types: None. !!!!Alternative Managed API: Do you know one? Please contribute it! !!!!Notes: None. !!!!Tips & Tricks: Please add some! !!!!Sample Code: Please add some! Documentation: FileSystemWatcher@msdn on MSDN Drag FileSystemWatcher control in your form from toolbox and add the events for created,deletion and renaming. Ex:- #region Designer view this.fileSystemWatcher.EnableRaisingEvents = true; this.fileSystemWatcher.IncludeSubdirectories = true; this.fileSystemWatcher.SynchronizingObject = this; this.fileSystemWatcher.Created += new System.IO.FileSystemEventHandler(this.fileSystemWatcher_Created); this.fileSystemWatcher.Deleted += new System.IO.FileSystemEventHandler(this.fileSystemWatcher_Deleted); this.fileSystemWatcher.Renamed += new System.IO.RenamedEventHandler(this.fileSystemWatcher_Renamed); public System.IO.FileSystemWatcher fileSystemWatcher; #endregion Create three bool variables to set true or false :- #region Properties private bool _fileDeleted = false; private bool _fileRenamed = false; private bool _fileCreated = false; public bool FileDeleted { set { _fileDeleted = value; } get { return _fileDeleted; } } public bool FileRenamed { set { _fileRenamed = value; } get { return _fileRenamed; } } pblic bool FileCreated { set { _fileCreated = value; } get { return _fileCreated; } } #endregion #region EventHandlers private void fileSystemWatcher_Renamed(object sender, RenamedEventArgs e) { _fileRenamed = true; MessageBox.Show(e.Name + " Renamed in " + e.FullPath); } private void fileSystemWatcher_Deleted(object sender, FileSystemEventArgs e) { _fileDeleted = true; MessageBox.Show(e.Name + " Deleted in " + e.FullPath); } private void fileSystemWatcher_Created(object sender, FileSystemEventArgs e) { _fileCreated = true; MessageBox.Show(e.Name + " created in " + e.FullPath); } #endregion By this property if you want to check file has been removed ,deleted from physical path then this will be true and you can check like if you have a tree view and you dont want to repopulate your tree view then use filesystemwatcher and repopulate the tree only when files have been changed,delete or rename. or you can throw a messagebox like above.
Edit shell32.FileSyste...
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