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This method is used for Microsoft® Visual Basic® .NET clients. It sends an event to the device host with the list of DISPIDs that have changed. The device host then queries the service object to obtain the new values of the state variables.
HRESULT OnStateChangedSafe( VARIANT varsadispidChanges );
[in] Array of DISPIDs in a SafeArray.
If the method succeeds, the return value is S_OK. Otherwise, the method returns one of the COM error codes that are defined in Winerror.h.
|Windows Embedded CE||Windows CE .NET 4.0 and later|
|Windows Mobile||Windows Mobile Version 5.0 and later|