Change icon of Folder using C# .Net in Windows Forms Application

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public static void setFolderIcon(string path, string iconPath, string folderToolTip)  
 {  
 /* Remove any existing desktop.ini */  
 if (File.Exists(path + @"\desktop.ini")) File.Delete(path + @"\desktop.ini");  
  
/* Write the desktop.ini */  
 StreamWriter sw = File.CreateText(path + @"\desktop.ini");  
 sw.WriteLine("[.ShellClassInfo]");  
 sw.WriteLine("InfoTip=" + folderToolTip);  
 sw.WriteLine("IconFile=" + iconPath);  
 sw.WriteLine("IconIndex=0");  
 sw.Close();  
 sw.Dispose();  
  
/* Set the desktop.ini to be hidden */  
 File.SetAttributes(path + @"\desktop.ini", File.GetAttributes(path + @"\desktop.ini") | FileAttributes.Hidden);  
  
/* Set the path to system */  
 File.SetAttributes(path, File.GetAttributes(path) | FileAttributes.System);  
 }