"RJ" <postonly@postonly.net> wrote in message
news:OMXdHn9tGHA.2392@TK2MSFTNGP05.phx.gbl...
> VS2005 data binding wizard will recognize and list the extended control
> property 'MyProperty', which is defined and exposed via IExtenderProvider
> component on the form. The databinding wizard allows you to choose this
> control property and select a binding object property to bind to. In
> other words, the data binding wizard seems to give every indication that
> you CAN bind to extended control properties...
>
> Runtime exception --> "Cannot bind to the property 'MyProperty' on the
> target control.\r\nParameter name: PropertyName"
>
> occurs on statement --> Me.MainForm = Global.Binding.Form1 inside the
> Application.Desinger.vb OnCreateMainForm
>
> I guess I am hoping someone can set me straight on this.... Can I OR can I
> not apply databinding to a control property provided by an
> IExtenderProvider component? If not, why doesn't the VS2005 wizard not
> indicate this? I may be missing something here, but the wizard really got
> my hopes up.
>
> Posted to 2 groups because the question relates to both.
>

"Bob Powell [MVP]" <bob@_spamkiller_.bobpowell.net> wrote in message
news:ec2KqOguGHA.4460@TK2MSFTNGP04.phx.gbl...
> The problem here lies in the mechanism used to provide properties at
> design-time. Extender providers add property descriptors to the list of
> properties of a specific type of object. At design-time these properties
> are seen as any other property and there's no way to determine whether the
> property is real or not. At runtime, the binding manager will search for a
> property via reflection but the designer won't be running so the property
> won't exist.
>
> Under normal circumstances you cannot bind to a property provided by an
> extender provider. There may however be a way of fooling it by using the
> new TypeDescriptionProvider system. This would be an excersise for you to
> try for yourself...
>
> --
> Bob Powell [MVP]
> Visual C#, System.Drawing
>
> Ramuseco Limited .NET consulting
> http://www.ramuseco.com
>
> Find great Windows Forms articles in Windows Forms Tips and Tricks
> http://www.bobpowell.net/tipstricks.htm
>
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> http://www.bobpowell.net/faqmain.htm
>
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>
>
>
> "RJ" <postonly@postonly.net> wrote in message
> news:OMXdHn9tGHA.2392@TK2MSFTNGP05.phx.gbl...
>> VS2005 data binding wizard will recognize and list the extended control
>> property 'MyProperty', which is defined and exposed via IExtenderProvider
>> component on the form. The databinding wizard allows you to choose this
>> control property and select a binding object property to bind to. In
>> other words, the data binding wizard seems to give every indication that
>> you CAN bind to extended control properties...
>>
>> Runtime exception --> "Cannot bind to the property 'MyProperty' on the
>> target control.\r\nParameter name: PropertyName"
>>
>> occurs on statement --> Me.MainForm = Global.Binding.Form1 inside the
>> Application.Desinger.vb OnCreateMainForm
>>
>> I guess I am hoping someone can set me straight on this.... Can I OR can
>> I not apply databinding to a control property provided by an
>> IExtenderProvider component? If not, why doesn't the VS2005 wizard not
>> indicate this? I may be missing something here, but the wizard really
>> got my hopes up.
>>
>> Posted to 2 groups because the question relates to both.
>>
>
>