} // end RemoveChild
/// <summary>
/// Gets the current value in the element's cache
/// </summary>
/// <param name="aValue">out parameter to be filled in with the <see cref="ValueQT"/> instance of the cache value</param>
/// <returns>
/// returns a result code that should be checked for success. If S_OK, the value provided is valid.
/// </returns>
/// <include
/// file='TBNS.doc.xml'
/// path='//class[@name="DaAddressSpaceElement"]/
/// method[@name="GetCacheValue"]/doc/*'
/// />
public virtual int GetCacheValue(ref ValueQT aValue)
{
aValue = null;
int result = (int) EnumResultCode.E_FAIL;
if (m_objectHandle != 0 && IoMode != EnumIoMode.NONE)
{
OTValueData valueData = new OTValueData();
// Allocate space and reset the reserved space
valueData.m_value = Marshal.AllocCoTaskMem(ValueQT.VARIANT_SIZE);
Marshal.GetNativeVariantForObject(null, valueData.m_value);
result = OTBFunctions.OTSGetCacheValue(this.m_objectHandle, ref valueData);
if (ResultCode.SUCCEEDED(result))
{
aValue = new ValueQT(ref valueData);
} // end if
OTBFunctions.OTVariantClear(valueData.m_value);
Marshal.FreeCoTaskMem(valueData.m_value);
} // end if
return result;
} // end GetCacheValue