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.NET Forum / Windows Forms / Design Time / March 2005Collection not getting serialized
Hi All, I'm trying to force VS.NET to serialize items that have been added into a collection. This collection is a property of a complex type, which itself is a property of another complex type which resides in a collection which is a property of my component. Essentially, VS.NET is not detecting the fact that I've added items into this custom collection, and is not serializing the items to code. After much Google-trawling I've determined that I need to call the following two lines of code: Dim ics As IComponentChangeService = DirectCast(GetService(GetType(IComponentChangeService)), IComponentChangeService) OnComponentChanging(Me, Nothing) The problem is I don't know *where* specifically to do this. I've tried getting a reference to the IComponentChangeService in the constructor for my Component, but even at design time it returns Null. How do I get a hold of this elusive object? And once I do, where should I be calling OnComponentChanging? Many thanks, Alex the snippet you have is usually used in designer classes. do you have your own collectioneditor (uitypeeditor)?  SignatureJoey Calisay http://spaces.msn.com/members/joeycalisay/ > Hi All, > [quoted text clipped - 21 lines] > Many thanks, > Alex > the snippet you have is usually used in designer classes. do you have > your > own collectioneditor (uitypeeditor)? No, it's just using the default VS.NET CollectionEditor. It's a really strange situation, because all collection properties are marked with the DesignerSerializationVisibility(Content), and I know that the types within them can be serialized to code via my custom TypeConverter. VS just won't see any changes when I add to the collection, so I assumed this was the issue. Is there some way I can inherit from the default CollectionEditor and force VS to use that as the designer for my collection class, and instruct it to force an update of the code if something's added/removed? Thanks, Alex Clark >> Hi All, >> [quoted text clipped - 26 lines] >> Many thanks, >> Alex VS.Net does not know the Add method of your collection ( it won't assume the name !). So it can not serialise the contents of the colletion. You will have to write your own collection serializer and add code to it. Public Class UIWinCollectionSerializer Inherits System.ComponentModel.Design.Serialization.CodeDomSerializer etc etc... The CollectionCodeDomSerializer used by VS looks for the Add and AddRange methods SignatureJoey Calisay http://spaces.msn.com/members/joeycalisay/ > VS.Net does not know the Add method of your collection ( it won't assume the > name !). So it can not serialise the contents of the colletion. You will [quoted text clipped - 5 lines] > > etc etc... Free MagazinesGet these publications absolutely FREE for up to 12 months. There are no hidden fees and no obligation. Simply choose a title, complete the application form and submit it. Read more ...
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