Trying to move kml layer into existing folder

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07-16-2013 07:14 PM
NormanDeschamps
New Contributor III
Hey all,

I'm unfamiliar with C# and .NET, so I imagine (hope) this is a very basic question.
I am trying to load up a kml file into a specific folder. I want to check to see if the folder already exists. If it does, I want to put the kml layer into that folder. However, I keep getting hung up on the fact that the search result is a mapitem, but I need the variable as a folder type in order to use the MoveTo method: 

            KmlLayer NewGPS = KmlLayer.Open(@"c:\myplacemark.kml");
            
            //Obtain the Map from the Application used to update the layer panel
            Map dispmap = ESRI.ArcGISExplorer.Application.Application.ActiveMapDisplay.Map;
            ESRI.ArcGISExplorer.Mapping.MapItem exgpslogs = dispmap.FindByName("GPS Logs");
            if (exgpslogs == null)
            {
                ESRI.ArcGISExplorer.Mapping.Folder gpslogs = new ESRI.ArcGISExplorer.Mapping.Folder("GPS Logs");
                NewGPS.MoveTo(gpslogs);
                dispmap.ChildItems.Add(gpslogs);
            }
            else
            {
                NewGPS.MoveTo(exgpslogs);  //gives the error
                dispmap.ChildItems.Add(exgpslogs);
            }


the NewGPS.MoveTo(exgpslogs) line does not compile and gives the error:
cannot convert from 'ESRI.ArcGISExplorer.Mapping.MapItem' to 'ESRI.ArcGISExplorer.Mapping.IMapItemParent'

Any help would be appreciated.
Thanks
Norman

EDIT: figured out how to do the explicit cast. Offending line has to be:
NewGPS.MoveTo((ESRI.ArcGISExplorer.Mapping.Folder)gpslogs);
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