The Old New Thing

Scrollbars part 11: Towards an even deeper understanding of the WM_NCCALCSIZE message

September 15, 2003 Sep 15, 2003 09/15/03

Raymond Chen

The other form of the message is the complicated one, when the is . In this case, the is a pointer to a structure. When Windows sends the message, the structure is filled out like this: Notice that the client rectangle is given in ...

Eric's complete guide to BSTR semantics

September 15, 2003 Sep 15, 2003 09/15/03

Raymond Chen

Eric Lippert has posted Eric's Complete Guide to BSTR Semantics. This is a document that is widely valued within Microsoft, since BSTR semantics are rather tricky, and I'm glad he's willing to share it with the world. In particular, Eric spends quite a bit of time discussion the very ...