/// <summary>
/// Creates and returns a predicate that always evaluates to a given Boolean value.
/// </summary>
/// <returns>The with value.</returns>
/// <param name="value">If set to <c>true</c> value.</param>
public static NSPredicate PredicateWithValue(bool value)
{
NSPredicate predicate = null;
var ptr = C.NSPredicate_predicateWithValue(value);
if (PInvokeUtil.IsNotNull(ptr))
{
predicate = new NSPredicate(ptr);
CFFunctions.CFRelease(ptr);
}
return(predicate);
}
/// <summary>
/// Creates and returns a new predicate formed by creating a new string with a given format and parsing the result.
/// </summary>
/// <returns>The with format.</returns>
/// <param name="predicateFormat">Predicate format.</param>
public static NSPredicate PredicateWithFormat(NSString predicateFormat)
{
if (predicateFormat == null)
{
return(null);
}
NSPredicate predicate = null;
var ptr = C.NSPredicate_predicateWithFormat(predicateFormat.ToPointer());
if (PInvokeUtil.IsNotNull(ptr))
{
predicate = new NSPredicate(ptr);
CFFunctions.CFRelease(ptr);
}
return(predicate);
}