Building a High-Performance File Copier in C# Using FileStream

DirectoryInfo sourcedinfo = new DirectoryInfo(@”D:\FromImage”);
DirectoryInfo Destination = new DirectoryInfo(@”D:\ToImage”);

public void CopyFile(DirectoryInfo source, DirectoryInfo target)
{
   try
     {
      //check if the target directory exists
      if (Directory.Exists(target.FullName) == false)
      {
            Directory.CreateDirectory(target.FullName);
      }

      //copy all the files into the new directory
      foreach (FileInfo fi in source.GetFiles())
      {
            fi.CopyTo(Path.Combine(target.ToString(), fi.Name), true);
      }

      //copy all the sub directories using recursion
      foreach (DirectoryInfo diSourceDir in source.GetDirectories())
      {
            DirectoryInfo nextTargetDir = target.CreateSubdirectory(diSourceDir.Name);
            CopyFile(diSourceDir, nextTargetDir);
      }

      MessageBox.Show(“Copy Successfully”, “Confirmation”);
   }
   catch (IOException ie)
   {
      MessageBox.Show(ie.Message);
   }
}

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Create File Copier with C#