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Add Containment for DWMCrash retry mechanism #11285

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Add Containment for DWMCrash retry mechanism #11285

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@harshit7962 harshit7962 commented Nov 25, 2025 •
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Description

Using AppContextSwitch, we are trying to contain the retry mechanism of DWM's ExtendFrameIntoClientArea API call.

Customer Impact

Developers can use the AppContextSwtich as below to avoid the retry mechanism:

<ItemGroup>
	<RuntimeHostConfigurationOption Include="Switch.System.Windows.Media.DisableDWMCrashContainment" Value="true" />
</ItemGroup>

Regression

No

Testing

Local Build Pass
Tested a sample application in runtime to make sure the switch is adhered to.

Risk

Minimal

Microsoft Reviewers: Open in CodeFlow

@harshit7962 harshit7962 requested a review from a team as a code owner November 25, 2025 18:57
@dotnet-policy-service dotnet-policy-service bot added the PR metadata: Label to tag PRs, to facilitate with triage label Nov 25, 2025
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@dipeshmsft dipeshmsft Awaiting requested review from dipeshmsft

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