Tekst wordt Bold na disable/enable van een custom textbox

Public Class vaTextBox
    Inherits Textbox

    Public Sub New()
        MyBase.New()
    End Sub

    Public Shadows Property Enabled() As Boolean
        Get
            Return MyBase.Enabled
        End Get
        Set(ByVal Value As Boolean)
            If Value = True Then
                Me.SetStyle(ControlStyles.UserPaint, False)
            Else
                Me.SetStyle(ControlStyles.UserPaint, True)
            End If
            MyBase.Enabled = Value
        End Set
    End Property

    Protected Overrides Sub OnPaint(ByVal e As  System.Windows.Forms.PaintEventArgs)

        MyBase.OnPaint(e)

        Using oBrush As New SolidBrush(Color.WhiteSmoke)
            e.Graphics.FillRectangle(oBrush, Me.ClientRectangle)
        End Using

        Using oBrush As New SolidBrush(Me.ForeColor)
            e.Graphics.DrawString(Me.Text, Me.Font, oBrush, -1, 1)
        End Using

    End Sub

End Class

Public Class vaTextBox
    Inherits Textbox
 
    Public Sub New()
        MyBase.New()
    End Sub
 
    Public Shadows Property Enabled() As Boolean
        Get
            Return MyBase.Enabled
        End Get
        Set(ByVal Value As Boolean)
            If Value = True Then
                Me.SetStyle(ControlStyles.UserPaint, False)
            Else
                Me.SetStyle(ControlStyles.UserPaint, True)
            End If
            MyBase.Enabled = Value
        End Set
    End Property
 
    Protected Overrides Sub OnPaint(ByVal e As  System.Windows.Forms.PaintEventArgs)
 
        MyBase.OnPaint(e)
 
        Using oBrush As New SolidBrush(Color.WhiteSmoke)
            e.Graphics.FillRectangle(oBrush, Me.ClientRectangle)
        End Using
 
        Using oBrush As New SolidBrush(Me.ForeColor)
            e.Graphics.DrawString(Me.Text, Me.Font, oBrush, -1, 1)
        End Using
 
    End Sub
 
End Class