You probably need to add InstanceDescriptors for your collection contents.
Read this and it should get you pointed in the right direction:
http://www.msdn.microsoft.com/library/default.asp?url=/library/en-us/dndotne
t/html/custcodegen.asp?frame=true
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[quoted text, click to view] "Marc L'Ecuyer" <mlecuyer@chca.ca> wrote in message
news:ObbORDOPDHA.1584@TK2MSFTNGP11.phx.gbl...
> I want to implement a collection property inside another (in a control
> derived class) but I have some persistence problems.
>
> There is an example of my ColumnItem class
>
> <TypeConverter(GetType(ColumnItemConverter))> _
>
> Public Class ColumnItem
>
> Private m_strText As String
>
> Private m_intWidth As Integer
>
> Private m_imgImage As Image
>
> Private m_colValueItems As ValueItemsCollection
>
> Public Sub New()
>
> '...
>
> End Sub
>
> Public Property Text() As String
>
> Get
>
> Return m_strText
>
> End Get
>
> Set(ByVal Value As String)
>
> m_strText = Value
>
> End Set
>
> End Property
>
> Public Property Width() As Integer
>
> Get
>
> Return m_intWidth
>
> End Get
>
> Set(ByVal Value As Integer)
>
> m_intWidth = Value
>
> End Set
>
> End Property
>
> <Editor(GetType(CollectionEditor), GetType(UITypeEditor)), _
>
> DesignerSerializationVisibility(DesignerSerializationVisibility.Content)>
_
>
> Public ReadOnly Property ValueItems() As ValueItemsCollection
>
> Get
>
> Return m_colValueItems
>
> End Get
>
> End Property
>
> '... other properties
>
> End Class
>
>
> I have a CollectionBase derived class object that contains all my
> columnitems.
> ValueItemsCollection is another CollectionBase derived class for my
> sub-collection.
> When I enter new columns in design time, nothing is serialized in the
> InitializeComponent of the form.
>
> Does anybody could send me some tips about how to do that?
>
> Thanks
>
>
