This method tells the debug engine about the JustMyCode state information.
HRESULT SetJustMyCodeState(
   BOOL           fUpdate,
   DWORD          dwModules,
   JMC_CODE_SPEC* rgJMCSpec
);
int SetJustMyCodeState(
   int             fUpdate, 
   uint            dwModules, 
   JMC_CODE_SPEC[] rgJMCSpec
);
Parameters
fUpdate
[in] Nonzero (TRUE) to update current information, zero (FALSE) to reset all information (ignoring anything previously set).dwModules
[in] Number of information structures in rgJMCSpec.rgJMCSpec
[in] Array of JMC_CODE_SPEC structures to use.
Return Value
If successful, returns S_OK; otherwise, returns error code.
Remarks
JustMyCode is the concept of debugging only the code that belongs to a user and ignoring all intermediate code such as system code—even if source code is available for that system code.