pv操作 LPVOID是一个没有类型的指针，也就是说你可以将任意类型的指针赋值给LPVOID类型的变量（一般作为参数传递），然后在使用的时候在转换回来。-pv is not that type of operation LPVOID pointer, which means you can assign any type to LPVOID pointer type variable (usually passed as a parameter), and then when used in the conversion back.