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
Requirement | Value |
---|---|
Minimum supported client | Windows 2000 Professional [desktop apps only] |
Minimum supported server | Windows 2000 Server [desktop apps only] |
Target Platform | Windows |
Header | comsvcs.h |