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TRACE 

Sends the specified string to the debugger of the current application.


TRACE(exp )
TRACE(DWORD category, UINT level, LPCSTR lpszFormat, ... )

See ATLTRACE2 for a description of TRACE. TRACE and ATLTRACE2 have the same behavior.

In the debug version of MFC, this macro sends the specified string to the debugger of the current application. In a release build, this macro compiles to nothing (no code is generated at all).

For more information, see Debugging MFC Applications.

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