The following methods offer control over overlays.
Note: Many of the methods in this section use a pos% argument to refer to the position of an overlay in the overlays list. The overlays list is a zero-based list, i.e. the first overlay is at position 0, the second at position 1 etc. This must always be borne in mind when specifying the pos% argument.
| CreateBackdropOverlay | Creates a new overlay that uses a named item as a backdrop. | 
| CreateDataSourceOverlay | Inserts a dataset into the current SWD, that will fetch data from non-file data source. | 
| CreateDbBlobOverlay | Creates an overlay that views BLOBs stored in a database. | 
| CreateDbOverlay | Creates an overlay that stores editable BLOBs in a database. | 
| CreateDbPointOverlay | Creates an overlay that views Points stored in a database. | 
| CreateFilteredOverlay | Creates a new filtered copy of an existing overlay. | 
| CreateIndexCoverage | Creates tile items covering extents, using a standard naming convention. | 
| CreateIndexOverlay | Creates an index overlay. | 
| CreateInternalOverlay | Creates an internal overlay. | 
| CreateOpenGisSqlOverlay | Creates an overlay using an OGC conformant database. | 
| CreatePhaseOverlay | Creates a new phase of an existing overlay. | 
| DefineRecordset | Defines a named recordset, for use with databases. | 
| EnsureOpenWithin | Forces datasets in the current SWD to open any items within the given extents, at the given scale. | 
| ExplodeOverlayTheme | Explodes an overlay theme into a new overlay. | 
| FindDatasetOverlay | Finds an overlay that contains the given dataset. | 
| GetOverlayFilter | Gets a copy of an overlay drawing filter. | 
| GetOverlayLocus | Gets a copy of an overlay drawing spatial filter. | 
| GetOverlaySchema | Gets a copy of an overlay schema. | 
| GetOverlayTheme | Gets a copy of an overlay theme. | 
| GetOverlayThemeLegend | Gets an overlay theme legend as a BLOB string within a coordinate reference system. | 
| ImportDataset | Imports a dataset into the current SWD. | 
| InsertDataset | Inserts a dataset into the current SWD. | 
| InsertOverlayTheme | Inserts a copy of a named theme into an overlay in the current SWD. | 
| IsOverlayThemeEnabled | Checks whether an Overlay theme is currently enabled or disabled. | 
| RemoveOverlay | Removes an overlay from the current SWD, deleting it if it is an internal overlay. | 
| RemoveOverlayTheme | Removes a theme from an overlay in the current SWD. | 
| ReorderOverlay | Changes the order of overlays. | 
| SetOverlayDataset | Sets the Dataset of an overlay in the current swd. | 
| SetOverlayFilter | Applies a copy of a named filter to an overlay in the current SWD. | 
| SetOverlayLocus | Applies a copy of a named spatial filter to an overlay in the current SWD. | 
| SetOverlaySchema | Applies a copy of a schema to an overlay in the current SWD. | 
Send comments on this topic.
Click to return to www.cadcorp.com
© Copyright 2000-2017 Computer Aided Development Corporation Limited (Cadcorp).