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Update 489937-WPF Touch and Stylus AccessViolation in GetPenEventMultiple.md

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Vivek Mishra 2017-10-18 13:51:53 -07:00 committed by GitHub
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releases/net471/KnownIssues/489937-WPF Touch and Stylus AccessViolation in GetPenEventMultiple.md
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## WPF Touch/Stylus Generates AccessViolations and Heap Corruption in GetPenEventMultiple # WPF Touch/Stylus Generates AccessViolations and Heap Corruption in GetPenEventMultiple
### Symptoms ## Symptoms
On a touch or stylus-enabled machine, WPF applications may sometimes corrupt memory and crash in the internal function GetPenEventMultiple in the PenIMC2_v0400 DLL. On a touch or stylus-enabled machine, WPF applications may sometimes corrupt memory and crash in the internal function GetPenEventMultiple in the PenIMC2_v0400 DLL.
### Cause ## Cause
This is due to the release of a COM object that is later used in the WPF touch stack. This is due to the release of a COM object that is later used in the WPF touch stack.
### Resolution ## Resolution
This issue is fixed for all supported OS platforms prior to Windows 10 Fall Creators Update. The fix for Windows 10 Fall Creators Update is expected in a future servicing update. This issue is fixed for all supported OS platforms prior to Windows 10 Fall Creators Update. The fix for Windows 10 Fall Creators Update is expected in a future servicing update.