Exemple #1
0
        private static Action <THolder, TProperty> CreateSetter <THolder, TProperty>(PropertyInfo property, CreateInvalidSetterOption o)
        {
            var        holderType = Expression.Parameter(typeof(THolder), "e");
            var        propType   = Expression.Parameter(typeof(TProperty), "v");
            MethodInfo s          = property.GetSetMethod();

            if (s == null)
            {
                if (o == CreateInvalidSetterOption.ThrowException)
                {
                    throw new InvalidOperationException(string.Format("Property '{0}' has no setter.", property.Name));
                }
                if (o == CreateInvalidSetterOption.NullAction)
                {
                    return(null);
                }
                return(VoidAction);
            }
            return((Action <THolder, TProperty>)s.CreateDelegate(typeof(Action <THolder, TProperty>)));
        }
Exemple #2
0
 /// <summary>
 /// Creates a setter fo a property.
 /// </summary>
 /// <typeparam name="THolder">Property holder type.</typeparam>
 /// <typeparam name="TProperty">Property type.</typeparam>
 /// <param name="propertyLambda">A lambda function that selects the property.</param>
 /// <param name="o">Error handling options. Defaults to <see cref="CreateInvalidSetterOption.ThrowException"/>.</param>
 /// <returns>An action that takes an holder instance and the value to set.</returns>
 public static Action <THolder, TProperty> CreateSetter <THolder, TProperty>(Expression <Func <THolder, TProperty> > propertyLambda, CreateInvalidSetterOption o = CreateInvalidSetterOption.ThrowException)
 {
     return(CreateSetter <THolder, TProperty>(ReflectionHelper.DoGetPropertyInfo(propertyLambda), o));
 }