In the property grid, if I set a property to an invalid value (which causes
an exception to be thrown), the property grid displays a message box with
"Property value is not valid." message with options to view the details
about the error as well as an OK and Cancel button.

I have created a custom component to implement our business objects.
I'm able to drag a BO into my designer from the toolbar and can then
use it for databinding etc.
Unfortunately when looking at the generated code for the declaration of

I've derived from CodeDomDesignerLoader in order to generate VB code
for forms that I've designed in a custom designer.  My current
implementation of Parse is essentially just the following, which
creates a shell form with a base type specified:

Hi group
I have created a generic control such as this one :
public class SuperControl<E> : Control{}
It work very fine, but i can't have it in design time.

We have found that the Dock and TopLevel properties do not appear in the .NET
2005 C# forms designer so we added the code below to our base forms, but
still the properties would not appear for our derived forms.  Once we changed
the names of the properties and removed the ...