/// <summary>
/// Creates a condition node that is a logical conjunction ("AND") or disjunction ("OR")
/// of a collection of subconditions.
/// </summary>
/// <param name="conditionType">The SearchConditionType of the condition node.
/// Must be either AndCondition or OrCondition.</param>
/// <param name="simplify">TRUE to logically simplify the result, if possible;
/// then the result will not necessarily to be of the specified kind. FALSE if the result should
/// have exactly the prescribed structure. An application that plans to execute a query based on the
/// condition tree would typically benefit from setting this parameter to TRUE. </param>
/// <param name="conditionNodes">Array of subconditions</param>
/// <returns>New SearchCondition based on the operation</returns>
public static SearchCondition CreateAndOrCondition(SearchConditionType conditionType, bool simplify, params SearchCondition[] conditionNodes)
{
// Same as the native "IConditionFactory:MakeAndOr" method
IConditionFactory nativeConditionFactory = (IConditionFactory) new ConditionFactoryCoClass();
ICondition result = null;
try
{
//
List <ICondition> conditionList = new List <ICondition>();
if (conditionNodes != null)
{
foreach (SearchCondition c in conditionNodes)
{
conditionList.Add(c.NativeSearchCondition);
}
}
IEnumUnknown subConditions = new EnumUnknownClass(conditionList.ToArray());
HResult hr = nativeConditionFactory.MakeAndOr(conditionType, subConditions, simplify, out result);
if (!CoreErrorHelper.Succeeded(hr))
{
throw new ShellException(hr);
}
}
finally
{
if (nativeConditionFactory != null)
{
Marshal.ReleaseComObject(nativeConditionFactory);
}
}
return(new SearchCondition(result));
}
public HResult Clone(out IEnumUnknown result)
{
result = new EnumUnknownClass(this.conditionList.ToArray());
return(HResult.Ok);
}