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api:dk11:delphi:gisdb

Table of Contents



GisDb namespace

Classes

Name Description
TGIS_DbAbstract Abstract base class for database engines used by SQL-backed GIS layers.

Prototypes

Name Description
TGIS_DbFunction Callback type for custom SQL functions executed by the database abstraction layer.
TGIS_LayerAddFieldEvent Callback fired when a new field is added while building a layer structure from database metadata.

Enumerations

Name Description
TGIS_DataType Predefined database field data types used by SQL layers and cursors.
TGIS_SubDataType Internal geometry storage subtype used by database providers.

2026/07/11 00:24

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