By simply copying the array reference instead of cloning it, both the message and the class that produces it hold a reference to the master copy of the previous bids array.
通过简单地复制而不是克隆数组引用,消息和产生消息的类都保存了前一投标数组的主副本的一个引用。
After you master the discipline of accumulating all the information you need to paint in response to a WM_PAINT message, you'll be pleased with the results.
在你掌握计算你响应WM _ PAINT消息绘制需要的所有信息的训练之后,你将对这个结果满意。
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