The unmanaged structure is declared as a class, instead of as a managed structure, to show how a class can be used when the unmanaged function expects a pointer to a structure.
非托管结构被声明为类而不是托管结构，以显示当非托管函数需要一个指向结构的指针时可以如何使用类。
The unmanaged structure is declared as a class, instead of as a managed structure, to show how a class can be used when the unmanaged function expects a pointer to a structure.
非托管结构被声明为类而不是托管结构，以显示当非托管函数需要一个指向结构的指针时可以如何使用类。
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