摘要:
pDC->SelectObject返回的指针所指向的GDI对象有可能会被delete掉,所以不能只保存返回的指针。正确的做法:convert the return pointer to Windows Handle with the GetSafeHdc member function. For other device contexts, such as those for printe... 阅读全文
posted @ 2005-07-26 15:24
浙林龙哥
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