api:dk11:delphi:gislayervector.tgis_layervector_properties
TGIS_LayerVector properties
DK for Delphi | GisLayerVector.TGIS_LayerVector | Constructors | Fields | Methods | Properties | Events | Events
Properties
Inherited
Protected
Private
| Name | Visibility | Description | |
|---|---|---|---|
| Active | public | True if the layer is visible and can be localized. (Inherited from TGIS_Layer) |
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| Addition | public | Additional blending value. (Inherited from TGIS_Layer) |
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| Age | public | Time elapsed since the layer was created. (Inherited from TGIS_Layer) |
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| Basemap | public | True if the layer must be treated as a basemap for background painting. (Inherited from TGIS_Layer) |
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| BasemapDraw | public | True if the layer is currently being drawn in a basemap thread. (Inherited from TGIS_Layer) |
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| BlockRTree | public | Blocks use of the R-Tree spatial index for this layer even when UseRTree is enabled. | |
| CachedPaint | public | False if the layer must be painted directly, bypassing the cache. (Inherited from TGIS_Layer) |
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| Caption | public | Layer caption; if not assigned directly, it will be filled with Name when the layer is added to the viewer. (Inherited from TGIS_Layer) |
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| CodePage | public | Code page used to store text. (Inherited from TGIS_Layer) |
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| Collapsed | public | True if the layer is collapsed in the legend, meaning only the layer title is visible. (Inherited from TGIS_Layer) |
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| Comments | public | Additional user comments. (Inherited from TGIS_Layer) |
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| ConfigFile | public | Configuration file handle. (Inherited from TGIS_Layer) |
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| ConfigName | public | Configuration file name. (Inherited from TGIS_Layer) |
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| CS | public | Coordinate Reference System (CRS) assigned to the layer. (Inherited from TGIS_Layer) |
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| CustomData | public | List of custom, user-defined data saved to and restored from config and project files. (Inherited from TGIS_Layer) |
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| DefaultDimension | public | Default coordinate dimensionality used by CreateShape when no explicit dimension is provided. | |
| DefaultShapeType | public | Default geometry type used by CreateShape when no explicit shape type is provided. | |
| DirectMode | public | True if the layer is direct-mode (bypassing cache). (Inherited from TGIS_Layer) |
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| DormantMode | public | Memory-management mode for the layer. (Inherited from TGIS_Layer) |
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| Driver | public | The layer's driver name. (Inherited from TGIS_Layer) |
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| DynamicAggregator | public | Dynamic aggregation processor used to cluster, bin, or otherwise aggregate shapes during rendering of large vector datasets. | |
| Extent | public | Extent of the layer. (Inherited from TGIS_Layer) |
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| Extent3D | public | Three-dimensional extent of the layer. (Inherited from TGIS_Layer) |
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| Fields | public | Collection of attribute field definitions for shapes stored in the vector layer. | |
| FieldsVirtual | public | Collection of virtual field definitions generated by the framework for computed or synthetic attribute values. | |
| FileCopyrights | public | Copyright information about the layer. (Inherited from TGIS_Layer) |
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| FileInfo | public | Additional textual information about the layer such as compression, number of pixels, copyright, etc. (Inherited from TGIS_Layer) |
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| GUID | public | Unique layer identifier. (Inherited from TGIS_Layer) |
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| HideFromLegend | public | False if the layer should not be visible in the legend. (Inherited from TGIS_Layer) |
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| Icon | public | Layer icon presented in the legend. (Inherited from TGIS_Layer) |
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| IgnoreShapeParams | public | Forces uniform layer-level rendering style and ignores per-shape rendering parameter overrides. | |
| InMemoryRTree | public | Controls whether the layer uses an in-memory R-Tree spatial index instead of a file-based one. | |
| InPaint | public | True while the layer is being painted. (Inherited from TGIS_Layer) |
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| IsExportable | public | True if the layer is exportable. (Inherited from TGIS_Layer) |
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| IsLocked | public | True if the layer is in locked state. (Inherited from TGIS_Layer) |
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| IsModified | public | True if structure (field, geometry etc) was modified. (Inherited from TGIS_Layer) |
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| IsOpened | public | True if the layer is opened and is ready for operations. (Inherited from TGIS_Layer) |
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| IsPersistent | public | True if the layer is persistent. (Inherited from TGIS_Layer) |
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| IsReadOnly | public | True if the layer is read-only. (Inherited from TGIS_Layer) |
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| IsTopmost | public | True if the layer can be interpreted as the topmost (trackable) layer. (Inherited from TGIS_Layer) |
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| Items | public | In-memory collection of editable shapes pending persistence to the underlying layer storage. | |
| JoinADO | public | ADO query object or recordset to be joined with the layer. | |
| JoinCodePage | public | Code page used to decode text fields from JoinADO or JoinDB external data sources. | |
| JoinDB | public | Dataset to be joined with the layer as an external attribute source. | |
| JoinForeign | public | Foreign key field from the external join source used to match records with JoinPrimary. | |
| JoinJDBC | public | JDBC ResultSet containing external query rows to be joined with the layer. | |
| JoinJDBCQuery | public | JDBC query text used to retrieve external rows for joining with the layer. | |
| JoinPrimary | public | Primary key field from the layer's attribute table used to match external records through JoinForeign. | |
| LabelingMode | public | Labeling mode capability flag for the layer. | |
| Layer3D | public | Mode of 3D layer operations. (Inherited from TGIS_Layer) |
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| MaxTileSize | public | Maximum allowed tile size for the layer. (Inherited from TGIS_Layer) |
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| MultipassRendering | public | Forces multi-pass rendering instead of single-pass optimization to preserve rendering order and improve output quality for complex symbol layers. | |
| MultiUserMode | public | Multiuser access mode for the layer. (Inherited from TGIS_Layer) |
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| Name | public | Layer name. (Inherited from TGIS_Layer) |
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| OverlappedExtentMargin | public | Overlap margin applied to the layer extent. (Inherited from TGIS_Layer) |
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| Params | public | Returns the vector rendering parameters object for the layer. | |
| ParamsList | public | List of all parameter sections attached to the current layer. (Inherited from TGIS_Layer) |
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| ParentLayer | public | Parent layer of a sublayer. (Inherited from TGIS_Layer) |
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| Path | public | Path to file holding the layer's data. (Inherited from TGIS_Layer) |
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| PathFLD | public | File path of the FLD field-definition file associated with the layer. | |
| PathFLDX | public | File path of the FLDX field-rules file associated with the layer. | |
| PathRTree | public | File path of the layer R-Tree spatial index file, if one is used. | |
| PathWithDriver | public | Path to file with the layer's data extended with driver name. (Inherited from TGIS_Layer) |
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| ProjectedExtent | public | Extent of the layer in projected units. (Inherited from TGIS_Layer) |
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| Renderer | public | Handle to a renderer used for drawing shapes. (Inherited from TGIS_Layer) |
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| RTreeFile | public | R-Tree spatial index object used by the layer for accelerated extent-based shape queries. | |
| Scope | public | SQL (Structured Query Language) WHERE clause used as a persistent attribute filter for shapes in the layer. | |
| ScopeExtent | public | Spatial extent filter used as a persistent scope for shapes in the layer. | |
| SelectedList | public | Read-only list of unique identifiers (UIDs) for all currently selected shapes in the layer. | |
| SelectionGisColor | public | Selection highlight color used when UseLayerSelectionStyle is True. | |
| SelectionOutlineOnly | public | Controls whether selected polygons are rendered with outline only when layer-specific selection styling is enabled. | |
| SelectionWidth | public | Selection outline thickness where values greater than zero are in twips and values less than zero are absolute pixels. | |
| Statistics | public | Layer statistics engine. (Inherited from TGIS_Layer) |
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| Stream | public | Stream providing layer data as an alternative to reading from the file specified by Path. (Inherited from TGIS_Layer) |
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| SubLayers | public | List of sublayers belonging to the layer. (Inherited from TGIS_Layer) |
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| SubType | public | Subtype flags describing the layer role within a layer hierarchy. (Inherited from TGIS_Layer) |
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| SupportedDimensions | public | Set of supported coordinate dimensionalities (2D, 3D, or 4D). | |
| SupportedShapes | public | Set of geometry types supported by this vector layer (Point, Arc/Line, Polygon, or multi-part variants). | |
| SupportedShapesAll | public | Extended set of supported geometry types, including SupportedShapes and any temporary types exposed by the active DynamicAggregator. | |
| SupportsAsync | public | Indicates whether the layer implements asynchronous operations. (Inherited from TGIS_Layer) |
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| SupportsAutoStyle | public | Indicates whether the layer supports auto styling. (Inherited from TGIS_Layer) |
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| SupportsTiledPaint | public | Indicates whether the layer supports tiled paint. (Inherited from TGIS_Layer) |
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| SymbolingMode | public | Symboling mode capability flag for the layer. | |
| Tag | public | Tag has no predefined meaning. (Inherited from TGIS_Layer) |
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| TagInternal | public | TagInternal has no predefined meaning. (Inherited from TGIS_Layer) |
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| TagPointer | public | TagPointer has no predefined meaning. (Inherited from TGIS_Layer) |
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| Tileable | public | True if the layer is currently being printed or exported using tiles. (Inherited from TGIS_Layer) |
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| TiledDrawMode | public | Indicates whether the layer is currently being drawn by the tiler. (Inherited from TGIS_Layer) |
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| Transform | public | Custom coordinate transformation applied to the layer. (Inherited from TGIS_Layer) |
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| Transparency | public | Transparency value for the layer (0..100). (Inherited from TGIS_Layer) |
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| UnSupportedOperations | public | Set of operations not supported by the layer. (Inherited from TGIS_Layer) |
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| UseConfig | public | True if the configuration file is active. (Inherited from TGIS_Layer) |
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| UseLayerSelectionStyle | public | Enables layer-specific selection styling instead of using the viewer's global selection appearance. | |
| UserObject | public | Associates a user-defined object with the layer. (Inherited from TGIS_Layer) |
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| UseRTree | public | Enables or disables R-Tree spatial indexing for shape queries in the vector layer. | |
| UseShapeStyleField | public | Enables attribute-driven rendering style selection for shapes based on a style field value instead of uniform layer parameters. | |
| Viewer | public | Reference to the viewer that owns or displays this layer. (Inherited from TGIS_Layer) |
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| ZOrder | public | Layer position relative to all other layers. (Inherited from TGIS_Layer) |
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| ZOrderEx | public | Layer position relative to other visible layers. (Inherited from TGIS_Layer) |
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2026/07/11 00:38