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Note To verify the hotfix update version, check the value of the Release keyword to determine the installed version. To be forward-compatible, you can check for a value that's greater than or equal to the value that's listed in the following table.
|Hotfix rollup version||Value of the Release DWORD|
|Hotfix rollup 3154521 for the .NET Framework 4.5 and later versions||380038|
PrerequisitesTo apply this hotfix, you must have the .NET Framework 4.5.2, or 4.5.1 installed.
Restart requirementYou have to restart the computer after you apply this hotfix if any affected files are being used. We recommend that you close all .NET Framework-based applications before you apply this hotfix.
Hotfix replacement informationThis hotfix package doesn't replace a previously released hotfix package.
Issues that this hotfix rollup fixesWindows Presentation Foundation issues
- Issue 1: When you use a virtualizing list control (ListBox, DataGrid, ListView and so on) in your WPF application, you may encounter an ArgumentException exception. And you receive the following error message when you add a new item to the underlying collection.Height must be non-negative
- Issue 2: WPF applications that perform work on the UI thread in response to touch move events may experience poor performance and delayed interaction with the UI. This was caused by a flood of move messages being posted to the WPF internal stylus queue.
To fix this, moves are now appropriately coalesced when the UI thread is unable to process them immediately. This throttles the number of touch move events and provides a more responsive UI interaction. These coalesced points can be obtained through calling TouchEventArgs.GetIntermediateTouchPoints as needed.
Article ID: 3154521 - Last Review: May 17, 2016 - Revision: 1