Public Class ucButton
    Inherits UserControl
 
    Private WithEvents ButtonColor As New Button _
    With {.Parent = Me, .BackColor = Color.White}
 
    Public Event buttonclick(ByVal sender As Object, e As EventArgs)
 
    Private Sub ButtonColor_Click(sender As Object, _
        e As System.EventArgs) Handles ButtonColor.Click
 
        With ButtonColor
            If .BackColor = Color.White Then
                .BackColor = Color.LightGray
            Else
                .BackColor = Color.White
            End If
        End With
 
        RaiseEvent buttonclick(ButtonColor, New EventArgs)
    End Sub
 
End Class