what are LPARAM and WPARAM defined as

Posted by Mark Heath on Stack Overflow See other posts from Stack Overflow or by Mark Heath
Published on 2010-03-25T12:06:38Z Indexed on 2010/03/25 12:13 UTC
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c++

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Windows

I know I'm being lazy here and I should trawl the header files for myself, but what are the actual types for LPARAM and WPARAM parameters? Are they pointers, or four byte ints? I'm doing some C# interop code and want to be sure I get it working on x64 systems.

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