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Question: Why bother implementing virtual windows, as you did in WDL? Are actual HWNDs that much of a pain?
Asked by MattC (75.34.93.x) on May 28 2010, 5:58pm
Reply on May 28 2010, 9:06pm:

HWNDs are not a pain, but they do use a lot of resources (there is a systemwide limit on the number of HWNDs that can exist at any given time, etc). Also, the virtual windows allow us to do proper composition and some other fancy things using LICE. You can do some of this using Windows 2000+ APIs with HWNDs, but meh.

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