Collection editor validation

[Tino]

How do we validate from the collection editor? In my case, a collection property that pops up a collection editor. If I change an item's property values, my Validating/End-editing handlers do not get called.

Thanks.

[Dimitar]

Hello Tino,

We are using the standard UITypeEditor and it does not have a validation events. In this case, you can use the Edited event, iterate the collection and check if all values are valid.

I hope this will be useful. Let me know if you have additional questions.

Regards,
Dimitar
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[Tino]

Thanks, I can do it that way. And yes I noticed after I posted that I am in fact getting an Edited event on my Collection property, so I'll just validate the entire collection.

[Tino]

Unfortunately there is no way to cancel the updates if validation fails.

[Dimitar]

Hello Tino,

If this is necessary you can create a small form that allows you to edit such collections and use it as a custom editor. This way you will be able to validate the input in it.

Do not hesitate to contact us if you have other questions. 

Regards,
Dimitar
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