microsoft / microsoft/react-native-windows

[Fabric] Update SetTopLevelWindowHandle to use a WindowId instead of a UInt64

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Area: Fabric enhancement New Architecture Workstream: Component Parity
Dominant language
C++
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Forks
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Avg merge
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Merged PRs (30d)
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Description

Update SetTopLevelWindowHandle to use a WindowId instead of a UInt64. This currently requires a newer version of the SDK than we are currently using but maybe by the time we look at shipping fabric we'll have other reasons to move to a newer SDK version.

https://github.com/microsoft/react-native-windows/pull/11218

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reviewing the SetTopLevelWindowHandle implementation and PR #11218, then check the Windows SDK version currently used by the project. Confirm when WindowId is available instead of UInt64 and update the Fabric call accordingly; done means the change builds against the selected SDK and the relevant tests pass.

Written by the indexing model from the issue text.

Assessment

Tech stack
cpp, react-native
Domain
desktop, operating-systems
Issue type
Refactor
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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