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Compiler Warning (level 4) C4931

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The latest version of this topic can be found at Compiler Warning (level 4) C4931.

we are assuming the type library was built for number-bit pointers

Explicit information was not supplied with the ptrsize attribute of the #import directive; the compiler concluded that pointer size of the type library is number.

This warning is off by default. See Compiler Warnings That Are Off by Default for more information.