OnChangeType method

Called by the editor when a selection's type changes.

Syntax

HRESULT retVal = object.OnChangeType(eType, pIListener);

Parameters

• eType [in]
  Type: SELECTION_TYPE

  SELECTION_TYPE enumeration that specifies the new selection type.

• pIListener [in]
  Type: ISelectionServicesListener

  Optional. Pointer to an ISelectionServicesListener interface to register with the new selection. Can be set to NULL.

Return value

Type: HRESULT

If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.

Remarks

The ISelectionServices::SetSelectionType method changes the selection type and will trigger a call to this method.

Use this method to implement any custom processing that should take place when a selection is initiated or changes type.

See also

ISegmentList::GetType