MGDwgDataSources.getKeyColumn

Syntax

string getKeyColumn() 

Description

Gets the name of the column that contains the primary key for each map feature on the DWG layer.

This method is not affected by the busy state.

Parameters

none

Returns

String - The name of the key column.

Error Codes

none

Example

This code is designed to work with the 1stfloorplanEx6.mwf file used by the Filter DWG Layers example:

function getProperties()
{
   // Get the map and selected features
   var map = getMap();
   var mapSel = map.getSelection();
   // Use the single map layer Floor Plan
   var mapLayer = map.getMapLayer("Floor Plan");
   // Get DWG data source object for the layer
   var mapLayerSetup = mapLayer.getLayerSetup();
   var dwgMapLayerDataSource = mapLayerSetup.getDwgDataSources();
   var keyColumn = dwgMapLayerDataSource.getKeyColumn();
}

See Also

setKeyColumnType, KeyColumn