dotnet / dotnet/dotnet-api-docs

Broken Link

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area-System.Collections untriaged
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Description

### Type of issue

Typo

### Description

In the See Also section of the page the link to
[ObservableCollection Simply Explained](https://www.codeproject.com/Articles/1004644/ObservableCollection-Simply-Explained)

Is pointing to Codeproject... went offline in March 2026. So change url to wayback machine
[ObservableCollection Simply Explained](https://web.archive.org/web/20250330002440/https://www.codeproject.com/Articles/1004644/ObservableCollection-Simply-Explained)

Or provide the content from the docs.

### Page URL

https://learn.microsoft.com/en-us/dotnet/api/system.collections.specialized.notifycollectionchangedaction?view=net-10.0

### Content source URL

https://github.com/dotnet/dotnet-api-docs-temp/blob/live/xml/System.Collections.Specialized/NotifyCollectionChangedAction.xml

### Document Version Independent Id

06456dfd-6cd4-d7b9-2e6d-40aabecfbc33

### Platform Id

820ebd25-5ad7-16c6-c044-7ed062b8093c

### Article author

@dotnet-bot

Contributor guide

Open the contributing guide

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