api:dk11:delphi:gislayervector.tgis_layervector.cursoropen_void
TGIS_LayerVector.cursorOpen method
DK11 for Delphi | GisLayerVector.TGIS_LayerVector.cursorOpen | Constructors | Fields | Methods | Properties | Events
Allocate new cursor. Cursor should be closes by calling cursorClose().
Syntax
// Delphi protected function cursorOpen : Integer; virtual;
// C++ Builder protected: virtual int cursorOpen(void);
Result
| Type | Description |
|---|---|
| Integer | Cursor number. |
Remarks
Override this method in inherited class to provide your own layer traversing method.
Cursor number 0 is reserved for internal operation and will be used by deprecated FindFirst..FindNext. Cursor number 0 will be allocated upon layer creation.
2020/05/07 01:09