Imports System.ComponentModel Public Class upfilm3 Public dl As Integer = 1 Private Sub upfilm3_Load(sender As Object, e As EventArgs) Handles MyBase.Load Me.BackColor = Form1.BackColor End Sub Private Sub upfilm3_Closing(sender As Object, e As CancelEventArgs) Handles Me.Closing If dl = 1 Then e.Cancel = True MsgBox("merci d'entendre le fin de la mis en ligne", MsgBoxStyle.Exclamation) Else End If End Sub End Class