public ObservableListInitializer(INotifyExpression <T> target, INotifyExpression <TElement> value, MethodInfo addMethod)
{
if (target == null)
{
throw new ArgumentNullException("target");
}
if (value == null)
{
throw new ArgumentNullException("value");
}
if (addMethod == null)
{
throw new ArgumentNullException("addMethod");
}
Target = target;
Value = value;
AddAction = ReflectionHelper.CreateDelegate <Action <T, TElement> >(addMethod);
var removeMethod = ReflectionHelper.GetRemoveMethod(typeof(T), typeof(TElement));
if (removeMethod == null)
{
throw new InvalidOperationException("Could not find appropriate Remove method for " + addMethod.Name);
}
if (removeMethod.ReturnType == typeof(void))
{
RemoveAction = ReflectionHelper.CreateDelegate <Action <T, TElement> >(removeMethod);
}
else if (removeMethod.ReturnType == typeof(bool))
{
var tempAction = ReflectionHelper.CreateDelegate <Func <T, TElement, bool> >(removeMethod);
RemoveAction = (o, i) => tempAction(o, i);
}
else
{
throw new NotSupportedException();
}
}
