hi All,

I want to zip all files.
I receive error message;

System.IO.IOException
  HResult=0x80070050
  Message=The file 'C:\Users\family\Desktop\Ver\NM 1.zip' already exists.
  Source=mscorlib
  StackTrace:
   at System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath)
   at System.IO.FileStream.Init(String path, FileMode mode, FileAccess access, Int32 rights, Boolean useRights, FileShare share, Int32 bufferSize, FileOptions options, SECURITY_ATTRIBUTES secAttrs, String msgPath, Boolean bFromProxy, Boolean useLongPath, Boolean checkHost)
   at System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share)
   at System.IO.Compression.ZipFile.Open(String archiveFileName, ZipArchiveMode mode, Encoding entryNameEncoding)
   at System.IO.Compression.ZipFile.DoCreateFromDirectory(String sourceDirectoryName, String destinationArchiveFileName, Nullable`1 compressionLevel, Boolean includeBaseDirectory, Encoding entryNameEncoding)
   at System.IO.Compression.ZipFile.CreateFromDirectory(String sourceDirectoryName, String destinationArchiveFileName, CompressionLevel compressionLevel, Boolean includeBaseDirectory)
   at CZip_2.Form1.OnRenamed(Object sender, RenamedEventArgs e) in C:\Users\family\source\repos\CZip_2\CZip_2\Form1.cs:line 95
   at System.IO.FileSystemWatcher.OnRenamed(RenamedEventArgs e)
   at System.IO.FileSystemWatcher.NotifyRenameEventArgs(WatcherChangeTypes action, String name, String oldName)
   at System.IO.FileSystemWatcher.CompletionStatusChanged(UInt32 errorCode, UInt32 numBytes, NativeOverlapped* overlappedPointer)
   at System.Threading._IOCompletionCallback.PerformIOCompletionCallback(UInt32 errorCode, UInt32 numBytes, NativeOverlapped* pOVERLAP)

  This exception was originally thrown at this call stack:
    [External Code]
    CZip_2.Form1.OnRenamed(object, System.IO.RenamedEventArgs) in Form1.cs
    [External Code]


using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.IO;
using System.IO.Compression;
using System.Threading;

namespace CZip_2
{
    public partial class Form1 : Form
    {
        private string TargetPath = @"d:\test11\";
        private bool IsNewFile = false;
        private string newFilePath;
        FileSystemWatcher watcher = new FileSystemWatcher();
        List<string> filesAdded = new List<string>();


        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {

        }

        private void button1_Click(object sender, EventArgs e)
        {
            watcher.NotifyFilter = NotifyFilters.Attributes
          | NotifyFilters.CreationTime
          | NotifyFilters.DirectoryName
          | NotifyFilters.FileName
          | NotifyFilters.LastAccess
          | NotifyFilters.LastWrite
          | NotifyFilters.Security
          | NotifyFilters.Size;

            string sOri = @"C:\";
            watcher.Path = sOri;
            watcher.Created += OnCreated;
            watcher.Renamed += OnRenamed;
            watcher.IncludeSubdirectories = true;
            watcher.EnableRaisingEvents = true;

        }
        void OnCreated(object source, FileSystemEventArgs e)
        {
            System.Windows.Forms.Control.CheckForIllegalCrossThreadCalls = false;
            newFilePath = e.FullPath;
            IsNewFile = true;

            filesAdded.Add(e.FullPath + e.Name);

                foreach (var sfile in filesAdded)
                {
                    listBox1.Items.Add(sfile);
                }
        }

        private void OnRenamed(object sender, RenamedEventArgs e)
        {
            if (IsNewFile && e.OldFullPath == newFilePath)
            {

                FileInfo fileInfo = new FileInfo(e.FullPath);
                string TargetFile = Path.Combine(TargetPath, fileInfo.Name);

                using (StreamWriter fileV = new System.IO.StreamWriter(fileInfo.Name))
                {
                    foreach (var sfile in fileInfo.Name)
                    {
                        fileV.WriteLine(sfile);
                    }
                }
                if (File.Exists(TargetFile))
                {
                    File.Delete(TargetFile);
                }

                Thread.Sleep(2000);
                File.Move(fileInfo.Name, TargetFile);



                string fi1 = @"D:\test11\";
                string fi2 = @"C:\Users\family\Desktop\Ver\NM 1.zip";
                ZipFile.CreateFromDirectory(fi1, fi2, CompressionLevel.Fastest, true);
            }
        }
    }
}