// Create a new FileSystemWatcher
FileProcessor fileProcessor = new FileProcessor();
FileSystemWatcher fileSystemWatcher1 = new FileSystemWatcher();

private void Form1_Load(object sender, EventArgs e)
{
    fileSystemWatcher1.Path = @"";
    fileSystemWatcher1.Filter = "";
    fileSystemWatcher1.IncludeSubdirectories = false;
    fileSystemWatcher1.Created += new FileSystemEventHandler(fileSystemWatcher1_Created);
    fileSystemWatcher1.EnableRaisingEvents = true;
}

private void fileSystemWatcher1_Created(object sender, FileSystemEventArgs e)
{
    if (e.ChangeType == WatcherChangeTypes.Created)
    {
        fileProcessor.EnqueueFileName(e.FullPath);
    }
}

}

FileProcessor.cs

class FileProcessor : IDisposable
{
private EventWaitHandle eventWaitHandle = new AutoResetEvent(false);
private Thread worker;
private readonly
public void EnqueueFileName(string FileName)
{
// Enqueue the file name
lock (locker) fileNamesQueue.Enqueue(FileName);
eventWaitHandle.Set();
}
private void Work(){
while (true){
string fileName = null;
lock (locker)
if (fileNamesQueue.Count > 0){
fileN
Console.WriteLine(FileName);
}
}

public partial class Form1 : Form
{
    // Create a new FileS
        Console.WriteLine(FileName);
    }
    
}