DK11 for ActiveX | TatukGIS_XDK11.ITGIS_LayerVector.Loop_3 | Methods | Properties
Prepares enumerator (also known as iterator or cursor) to iterate the layer.
// C# public ITGIS_LayerVectorEnumeratorFactory Loop_3( ITGIS_Extent _extent, WideString _query );
' VisualBasic Public Function Loop_3( ByVal _extent As ITGIS_Extent, ByVal _query As WideString ) As ITGIS_LayerVectorEnumeratorFactory
// Oxygene public function Loop_3( _extent : ITGIS_Extent; _query : WideString ) : ITGIS_LayerVectorEnumeratorFactory;
Name | Type | Description |
---|---|---|
_extent | ITGIS_Extent | extent of items to be found; expected _extent units are in a Layer coordinate space |
_query | WideString | query which must be matched by item; closely mimics SQL WHERE clause; for examples you can use 'AGE >= 18'; empty (default) means that no items will match. |
Type | Description |
---|---|
ITGIS_LayerVectorEnumeratorFactory | Shape itself or nil. |