GDI+函数之 Region::Complement
TheComplement method updates this region to the portion of the specifiedpath's interior that does not intersect this region.
这个函数用来更新当前Region
用path包含的、同时不在当前区域内的区域(即path区域减去开始region)来更新当前区域。
Msd
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2014-05-17 10:14:51 ·
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