A CONTEXT structure contains processor-specific register data. Windows NT uses CONTEXT structures to perform various internal operations. Currently, there are CONTEXT structures defined for Intel, MIPS, Alpha, and PowerPC, processors. Refer to the header file WinNT.h for definitions of these structures.
Windows NT: Requires version 3.1 or later.
Windows: Requires Windows 95 or later.
Windows CE: Unsupported.
Header: Declared in winnt.h.
Debugging Overview, Debugging Structures