Hi Bill,

You may try specifying a Type Converter class for your property,
here is a quick sample shows how to do this, for simplicity I defined a
Property in Font type, you may add this code snippet to a user control then
add the user control to the Form, now the MyFont property displays a string
returned from Font.ToString() and a button with "...",  you may edit the
value using Font Dialog but the text field of the property is not editable.

<code>
[   
    TypeConverter(typeof(TypeConverter))
]
public Font MyFont
{
    get
    {
        return this.Font;
    }
    set
    {
        this.Font = value;
    }
}
<code>
Does it resolve your probem?
Feel free to reply this thread if you have anything unclear about it.

Have a nice day!

Best regards,

Ying-Shen Yu [MSFT]
Microsoft Community Support
Get Secure! - www.microsoft.com/security

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