} // end GetConditionDefinition
//-
#endregion
#region // Protected Methods
//---------------------------
/// <summary>
/// Adds an existing attribute object to the category internal hashtable
/// </summary>
/// <param name="anAttribute"> an already created instance of the attribute</param>
/// <returns>
/// S_OK - if succeeded
/// E_FAIL - if failure
/// </returns>
/// <include
/// file='TBNS.doc.xml'
/// path='//class[@name="AeCategory"]/
/// method[@name="AddAttribute.existing"]/doc/*'
/// />
protected virtual int AddAttribute(AeAttribute anAttribute)
{
try
{
if (anAttribute == null)
{
return (int) EnumResultCode.E_FAIL;
} // end if
if (Handle == 0)
{
return (int) EnumResultCode.E_FAIL;
} // end if
int result = OTBFunctions.OTSAddEventAttribute(
this.Handle,
anAttribute.Id,
anAttribute.Name,
ValueQT.GetVartype(anAttribute.DataType));
if (ResultCode.SUCCEEDED(result))
{
Hashtable syncAttributeList = Hashtable.Synchronized(this.m_attributes);
syncAttributeList.Add(anAttribute.Id, anAttribute);
} // end if
return result;
}
catch (Exception e)
{
Application.Instance.Trace(EnumTraceLevel.ERR,
EnumTraceGroup.OPCSERVER,
"Category.AddAttribute",
"Exception caught:" + e.ToString());
return (int) EnumResultCode.E_FAIL;
} // end try ... catch
} // end AddAttribute
} // end Handle
//-
#endregion
#region // Public Methods
//------------------------
/// <summary>
/// Creates and adds a new attribute to the category hashtable.
/// </summary>
/// <param name="anId"> new attribute ID</param>
/// <param name="aName"> new attribute </param>
/// <param name="aDataType"></param>
/// <returns>
/// S_OK - if succeeded
/// E_FAIL - if failure
/// </returns>
/// <include
/// file='TBNS.doc.xml'
/// path='//class[@name="AeCategory"]/
/// method[@name="AddAttribute.create"]/doc/*'
/// />
public virtual int AddAttribute(uint anId, string aName, Type aDataType)
{
AeAttribute attribute = new AeAttribute(anId, aName, aDataType);
return this.AddAttribute(attribute);
} // end AddAttribute