Closing the User Form

Hi Experts,

I want to close my form on button click . I am using this event :-

Private Sub Cancel_ClickAfter(ByVal sboObject As System.Object, ByVal pVal As SAPbouiCOM.SBOItemEventArg) Handles Cancel.ClickAfter

            Dim oForm As SAPbouiCOM.Form = SBO_Application.Forms.ActiveForm

            oForm.Close()

        End Sub

Now , this oForm.Close() opens a default message box asking "Do you want to save ?" . Now i want a custom message and buttons instead of default one . Is it possible ?

Regards,

Mayank Sharma