Charger un fichier d’animation d’extension ‘ani’

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Runtime.InteropServices;
using System.IO;
 
public class ChargerAnimation : Form
{
 
  public ChargerAnimation()
  {
        InitializeComponent();
    try
    {
        string fichierAnimation = "Ballon.ani";
      this.Cursor = CurseurPersonnalise.CreerCurseur(Path.Combine(Application.StartupPath, fichierAnimation));
    }
    catch (Exception err)
    {
      MessageBox.Show(err.Message);
    }
  }
 
  private void InitializeComponent()
  {
    this.SuspendLayout();
 
    this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
    this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
    this.ClientSize = new System.Drawing.Size(292, 266);
    this.Text = "ChargerAnimation";
    this.ResumeLayout(false);
  }
 
  [STAThread]
  static void Main()
  {
    Application.EnableVisualStyles();
    Application.Run(new ChargerAnimation());
  }
 
}
 
public class CurseurPersonnalise
{
 
  [DllImport("User32.dll")]
  private static extern IntPtr LoadCursorFromFile(String str);
 
  public static Cursor CreerCurseur(string nomFichier)
  {
    IntPtr hCursor = LoadCursorFromFile(nomFichier);
 
    if (!IntPtr.Zero.Equals(hCursor))
    {
      return new Cursor(hCursor);
    }
    else
    {
      throw new ApplicationException("Impossible de créer un curseur dans le fichier " + nomFichier);
    }
  }
}