GetGroupId

This method returns the group ID of a requested layer feature group, layer annotation group or a layer root group of a specified feature layer Features, Annotations or Root group.

HRESULT GetGroupId(

[in, optional, defaultvalue(100)] LayerFolderType lLayerType,

[out, retval] long* lGroupId)

Parameters:

• ILayerType – An enum determining the requested group type. The LayerFolderType enum can use any of the following values:

• LAYER_ROOT = 100
  Request the root group.

• LAYER_FEATURE = 101
  Request the features group (i.e., Polylines, Polygons, or Points).

• LAYER_ANNOTATION = 102

• Requests the annotations group.

• IGoupId – The ID that represents the requested group in the Information Window. If a features group is requested in a layer that does not include annotations, the ItemID of the group is returned. If an annotations group is requested in a layer that does not contain annotations, 0 (zero) is returned.

Return Values:

The return value obtained from the returned HRESULT can be one of the following: