目录问题背景与概述错误解读：AttributeError: 'NoneType' object has no attribute 的含义常见触发场景与复现示例1. 函数未返回值（返回 None）2. 链式调用中断（链上某处返回 None）3. 第三方库查询结果为
at the moment im trying to figure out how i can manage to play a wave file in C# by filling up the secondary buffer with data from the wave file through threading and then play the wave file.
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