VB.net - Verificando Enter e Esc no Form

A propriedade KeyPreview do form deve ser igual a True

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        If e.KeyChar = Microsoft.VisualBasic.ChrW(Keys.Return) Then
            Me.BackgroundImage = Image.FromFile(Menu1)
        ElseIf e.KeyChar = Microsoft.VisualBasic.ChrW(Keys.Escape) Then
            Me.BackgroundImage = Image.FromFile(Menu0)
        End If
    End Sub