GetLayer

The GetLayer method returns an interface to the IFeatureLayer80 object based on the specified ID. To determine whether GroupID is the ID of a feature layer, use IProjectTree80.GetObject to return an interface to the Project Tree element and then ITerraExplorerObject80. ObjectType to get the element type.

 

JavaScript

 

GetLayer(GroupID)

 

C#

 

IFeatureLayer80 GetLayer(

       string GroupID)

 

C++

 

HRESULT GetLayer(

       BSTR GroupID,

       IFeatureLayer80 ** pILayer) 

Parameters

GroupID

The ID of the layer item requested.

Return Value

pILayer 

An IFeatureLayer80 representing the layer object.

Exceptions

HRESULT can return any of the values listed in the HRESULT Return Values list, as well as the following values:

TE_E_INFOTREE_PARENTNOTGROUP

The group ID entered does not represent a valid group in the Project Tree.

TE_E_INFOTREE_ITEMNOTGROUP

The item entered is not a group and therefore cannot be used as a group.

TE_E_INFOTREE_CANTUSEROOT

Cannot use Tree root for this operation

TE_E_INFOTREE_ITEMISGROUP

Item ID is a group so an object cannot be retrieved.