如何理解Delphi Help 中关键字VMT下的内容?(50分)

Offset Type Description
-76 Pointer pointer to virtual method table (or nil)
-72 Pointer pointer to interface table (or nil)
-68 Pointer pointer to Automation information table (or nil)
-64 Pointer pointer to instance initialization table (or nil)
-60 Pointer pointer to type information table (or nil)
-56 Pointer pointer to field definition table (or nil)
-52 Pointer pointer to method definition table (or nil)
-48 Pointer pointer to dynamic method table (or nil)
-44 Pointer pointer to short string containing class name
-40 Cardinal instance size in bytes
-36 Pointer pointer to a pointer to ancestor class (or nil)
-32 Pointer pointer to entry point of SafecallException method (or nil)
-28 Pointer entry point of AfterConstruction method
-24 Pointer entry point of BeforeDestruction method
-20 Pointer entry point of Dispatch method
-16 Pointer entry point of DefaultHandler method
-12 Pointer entry point of NewInstance method
-8 Pointer entry point of FreeInstance method
-4 Pointer entry point of Destroy destructor
0 Pointer entry point of first user-defined virtual method
4 Pointer entry point of second user-defined virtual method
... ... ...

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接受答案了.

给我发一个好吗!!先谢了.呵呵

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