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Ensure error handling in CoreGraphics and attendant frameworks happens at API boundaries #1323

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Ensure error handling in CoreGraphics and attendant frameworks happens at API boundaries#1323
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DHowett-MSFT
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Area-FoundationBugSubArea-CoreGraphics
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1612
@DHowett-MSFT

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@DHowett-MSFT
DHowett-MSFT
opened on Nov 4, 2016
  • All internal methods should be able to report failure without aborting, whether through an HRESULT return or a nullptr return.
  • All external API surface methods should be able to fail where possible.
    • Some frameworks do not provide for errors to be returned. The reference platform has been observed calling abort().
    • If there is an opportunity for a failure return, it should be taken. API functions that can return newly-created resources are safe to return nothing and emit a trace error.

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