Terry,

>What looks wrong here??
>

>Private m_ReadOnly As Boolean = False
><Browsable(True), Description("Sets read only behavior for Checkbox")>_
>Public Property IsReadOnly()
>     Get
>        Return m_ReadOnly
>     End Get
>     Set(ByVal Value)
>        m_ReadOnly = Value
>    End Set
>End Property
>

This may be the problem...you haven't specified the type of the property as shown here:

Public Property IsReadOnly() As Boolean

Regards,