Limit Values for Properties in .NET

<uc:somecontrol runat="server" id="uc1" property1="red" />

Enum ControlColor
Red = 1
Blue = 2
Green = 3
End Enum

Public Property MyProperty As ControlColor

Public Enum ControlColor
    Red = 1
    Blue = 2
    Green = 3
End Enum

Private _color As ControlColor

Public Property [Color] As ControlColor
    Get
        Return _color
    End Get
    Set (ByVal value As ControlColor)
        _color = value
    End Set
End Property