IActiveScriptProfilerControl::StartProfiling

Starts profiling on the scripting engine. The scripting engine creates an instance of the profiler object by making a call to CoCreateInstance.

Syntax

HRESULT StartProfiling(  
    [in] REFCLSID clsidProfilerObject,  
    [in] DWORD dwEventMask,  
    [in] DWORD dwContext);

clsidProfilerObject
[in] Class identifier (CLSID) of the profiler object to be created.

dwEventMask
[in] A 4-byte bitmask that specifies the types of events. The bits are defined in PROFILER_EVENT_MASK Enumeration.

dwContext
[in] A 4-byte value that is passed to the profiler object.

Returns an HRESULT. Possible values are as follows:

Return Value	Meaning
`S_OK`	The method succeeded.
`ACTIVPROF_E_PROFILER_PRESENT`	Profiling is already enabled.