} // end GetParent
/// <summary>
/// Returns a list of children. This list is empty in case of an error or if no children are there to be delivered
/// </summary>
/// <returns>
/// List of this element's children. If the element has no children, the list is empty
/// </returns>
/// <include
/// file='TBNS.doc.xml'
/// path='//class[@name="DaAddressSpaceElement"]/
/// method[@name="GetChildren"]/doc/*'
/// />
public override ArrayList GetChildren()
{
ArrayList children = new ArrayList();
IntPtr ptrData = IntPtr.Zero;
int count = 0;
int res = OTBFunctions.OTSGetChildren(m_objectHandle, (byte) EnumAddressSpaceElementType.DA, out count, out ptrData);
if (ResultCode.SUCCEEDED(res))
{
if (count > 0)
{
int size = Marshal.SizeOf(typeof (OTObjectData));
lock (Application.Instance.DaAddressSpaceRoot.ElementSyncRoot)
{
for (int i = 0; i < count; i++)
{
IntPtr currentPtr = new IntPtr(ptrData.ToInt64() + size*i);
OTObjectData myData = (OTObjectData) Marshal.PtrToStructure(currentPtr, typeof (OTObjectData));
children.Add(
Application.Instance.DaAddressSpaceRoot.GetElementFromArray(myData.m_userData) as DaAddressSpaceElement);
} // end for
}
} // end if
OTBFunctions.OTFreeMemory(ptrData);
} // end if
return children;
} // end GetChildren
/// <summary>
/// retrieves the parent from a handle
/// </summary>
internal AddressSpaceElement GetParent(uint aHandle)
{
if (aHandle == 0)
{
return m_root;
} // end if
OTObjectData parent = new OTObjectData();
IntPtr pParent = Marshal.AllocCoTaskMem(Marshal.SizeOf(parent));
Marshal.StructureToPtr(parent, pParent, false);
if ((uint) EnumResultCode.S_OK != OTBFunctions.OTSGetParent(aHandle, pParent))
{
return null;
} // end if
parent = (OTObjectData) Marshal.PtrToStructure(pParent, typeof (OTObjectData));
Marshal.FreeCoTaskMem(pParent);
AddressSpaceElement elementParent = GetElementFromArray(parent.m_userData);
if (elementParent == null)
{
return m_root;
} // end if
return elementParent;
} // end getParent
