api:dk11:delphi:gislayervector.tgis_layervector.mustcalculatestatistics_void
TGIS_LayerVector.MustCalculateStatistics method
DK11 for Delphi | GisLayerVector.TGIS_LayerVector.MustCalculateStatistics | Constructors | Fields | Methods | Properties | Events
Verifies if all statistics required to properly render the layer are available.
Syntax
Overrides TGIS_Layer.MustCalculateStatistics.
// Delphi public function MustCalculateStatistics : Boolean; override;
// C++ Builder public: virtual bool MustCalculateStatistics(void);
Result
| Type | Description |
|---|---|
| Boolean | True if some statistics must be computed. |
Remarks
The function does not consider if the statistics are valid (up-to-date). It verifies only that statistics exist.
2020/05/07 01:09