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Writing DbgEng Extensions

DbgEng extensions are specialized DLLs that extend the Windows debugger engine's functionality by implementing custom debugging commands and callback functions. Extension code can use both the C++ interfaces from dbgeng.h and C functions from wdbgexts.h.

For more information, see these articles in the DbgEng Extension Design Guide:

For the complete dbgeng.h reference, see DbgEng Extension Reference.