private static unsafe int DoBrowseRecordTasks(IntPtr aPtr, uint aVersion, char *aRecordScheduleID, char *aFilter, uint aStartingIndex, uint aRequestedCount, char *aSortCriteria, char **aResult, uint *aNumberReturned, uint *aTotalMatches, uint *aUpdateID) { GCHandle gch = GCHandle.FromIntPtr(aPtr); DvServiceUpnpOrgScheduledRecording1 self = (DvServiceUpnpOrgScheduledRecording1)gch.Target; string recordScheduleID = Marshal.PtrToStringAnsi((IntPtr)aRecordScheduleID); string filter = Marshal.PtrToStringAnsi((IntPtr)aFilter); string sortCriteria = Marshal.PtrToStringAnsi((IntPtr)aSortCriteria); string result; uint numberReturned; uint totalMatches; uint updateID; self.BrowseRecordTasks(aVersion, recordScheduleID, filter, aStartingIndex, aRequestedCount, sortCriteria, out result, out numberReturned, out totalMatches, out updateID); *aResult = (char *)Marshal.StringToHGlobalAnsi(result).ToPointer(); *aNumberReturned = numberReturned; *aTotalMatches = totalMatches; *aUpdateID = updateID; return(0); }