Fix handling of optional IDispatch, IUnknown method args #919
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Why a function? Ti can ve replaced with the function body
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See #907 (comment) - extra problems occur when you put the code in a function. Wanted to make sure that was covered.
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@latkin, Thanks for signing the contribution license agreement so quickly! Actual humans will now validate the agreement and then evaluate the PR. |
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@latkin, Thanks for signing the contribution license agreement so quickly! Actual humans will now validate the agreement and then evaluate the PR. |
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OK, looks good! |
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@dotnet-bot test this please |
KevinRansom
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Feb 25, 2016
Fix handling of optional IDispatch, IUnknown method args
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Thanks for taking care of this Lincoln, we miss you, and hope you are having a great time in your new Job. |
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Fixes #907
Aligns F# compiler's treatment of these optional arguments with what C# and VB do.
For omitted
objoptional args:MarshalAs(IUnknown),MarshalAs(IDispatch), orMarshalAs(Interface), emit anulldefault valueIUnknownConstantAttributeemitUnknownWrapper(null)IDispatchConstantAttributeemitDispatchWrapper(null)Type.MissingSee relevant bits of the C# compiler and VB compiler.