void DeselectAllVar()
None
This method deselects all the variables in the DataObject.
declare DataObject dobj;
dobj = DataObject.CreateFromFile( "baseball" );
DataTable.Create( dobj ).SetWindowPosition( 0, 50, 100, 50 );
VarNames = {"team" "no_hits"};
dobj.SelectVar( VarNames );
run Delay( 2000 );
dobj.DeselectAllVar();