1public class WaitCursor : IDisposable
2    {
3        public WaitCursor()
4        {
5            Cursor.Current = Cursors.WaitCursor;
6        }
7        public void Dispose()
8        {
9            Cursor.Current = Cursors.Default;
10        }
11    }

using (new WaitCursor())
{
   //action code here 
}