k-g-nolan

Fixed issue with IncrementalLoadingCollection within AdvancedCollecti…

2

…onView ## Fixes #642 Fixed issue #642 by changing how the ACV handles generic types. The change is not perfect, but I wanted to be as non-invasive as possible. Ideally,...

Using IncrementalLoadingSource in AdvancedCollectionView Causes NullReferenceException when adding a SortDescription

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### Describe the bug When adding a `SortDescription` to an `AdvancedCollectionView` that has an `IncrementalLoadingCollection` as its source, a null reference exception is generated: ``` System.InvalidOperationException HResult=0x80131509 Message=Failed to compare...