TGIS_Layer.Prepare method

DK for Delphi | GisLayer.TGIS_Layer.Prepare | Constructors | Fields | Methods | Properties | Events

Opens the layer for non-drawing operations.

Available also on: .NET | Java | ActiveX | Python.

// Delphi
public
  procedure Prepare; virtual;

// C++ Builder
public:
  virtual void Prepare(void);

This method opens the layer and reads all its data. After that, non-drawing operations on the layer are available. The layer can still be added to the viewer later.

USAGE: Load layer data before running queries or other operations outside the map viewer.

layer.Prepare()