All Cadcorp SIS API Methods

IsColumnIndexed Method

Description

Determine whether an attribute column in an idb file or other editable cursor-based dataset is indexed.

Syntax

Public Function IsColumnIndexed( _
   ByVal nDataset As Integer, _
   ByVal column As String _
) As Integer

Parameters

nDataset

The idb file is referenced by its dataset number which can be determined from the overlay in which it is displayed.

 

column

The column which is to have its index deleted must be identified by name. These names are not case-sensitive.

Returns

-1 (True) – Column has an index
0 (False) – Column does not have an index

Remarks

Available: D SISpy

Group:

• Table and Schema Methods

Example

Dim hasIndex as Boolean = CBool( mapobject.IsColumnIndexed ( datasetNo, “Address” ) )