ISystemAppEventData::OnDataChanged method (comsvcs.h)

Generated when the configuration of a COM+ application instance is changed.

Syntax

HRESULT OnDataChanged(
  [in] DWORD   dwPID,
  [in] DWORD   dwMask,
  [in] DWORD   dwNumberSinks,
  [in] BSTR    bstrDwMethodMask,
  [in] DWORD   dwReason,
  [in] ULONG64 u64TraceHandle
);

Parameters

[in] dwPID

The process identifier of the application instance for which the configuration was changed.

[in] dwMask

The event mask used to determine which tracing event fires.

[in] dwNumberSinks

Always set equal to SinkType::NUMBER_SINKS.

[in] bstrDwMethodMask

The event mask used to determine to which events the user has subscribed.

[in] dwReason

Always set equal to INFO_MASKCHANGED.

[in] u64TraceHandle

A handle to the relevant tracing session.

Return value

If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.

Requirements

See also

ISystemAppEventData