C#

using System.IO;
public void DeleteAfterCopyingOriginalImageFile(string strOriginalJpeg)
{
   // Create "JpegTemp" sub-folder at temporary directory path
   string strTempFolder = System.IO.Path.Combine(System.IO.Path.GetTempPath(), "JpegTemp");
   if (!Directory.Exists(strTempFolder))
   {
      DirectoryInfo directory = Directory.CreateDirectory(strTempFolder);
      directory.Attributes = directory.Attributes | FileAttributes.Hidden;
   }

   // Get the temp file path
   string strTempJpeg = System.IO.Path.Combine(strTempFolder, "TempImage.jpg");

   // Copy the original JPEG as below
   if (!File.Exists(strTempJpeg))
   {
      File.Copy(strOriginalJpeg, strTempJpeg);
   }

   // Open the "TempImage.jpg" file in default viewer. Doing this lock the original jpeg file.
   // Don't know why? It is creating problem for me.
   Process.Start(strTempJpeg);

   // Delete original JPEG file. Since the file is locked in above step, application throws exception
   // "File being used by some other process" and then application crashes.
   File.Delete(strOriginalJpeg);
}