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Some extensions to enrich [Reflection API][http://msdn.microsoft.com/en-us/library/f7ykdhsy(VS.80).aspx]. See also ReflectionUtils.
Extension methods over System.Type to deal with Nullable Types.
public static bool IsNullable(this Type type)
public static Type Nullify(this Type type)
public static Type UnNullify(this Type type)Examples:
Type intType = typeof(int);
Console.WriteLine(intType.IsNullable()); //false
Type nIntType = intType.Nullify();
Console.WriteLine(nIntType.IsNullable()); //true
Console.WriteLine(nIntType.UnNullify() == intType); //trueGets the returning type for a PropertyInfo, FieldInfo, MethodInfo, ConstructorInfo or EventInfo in a... carefree way. Returns null for System.Type (i.e: nested Type).
public static Type ReturningType(this MemberInfo m)Example:
MemberInfo member = typeof(Person).GetMember(DateTime.Today.Day % 2 == 0 ? "_name" : "Name");
member.ReturningType();
//Returns string type, whether a FieldInfo or a PropertyInfo is retrieved.Allows to know easily if a MemeberInfo contains attributes of some type and retrieves them (if any).
public static bool HasAttribute<T>(this ICustomAttributeProvider mi) where T : Attribute
public static T SingleAttribute<T>(this ICustomAttributeProvider mi) where T : AttributeExample:
[Serializable]
public class Person
{
}
typeof(Person).HasAttribute<SerializableAttribute>(); //Returns true
typeof(Person).SingleAttribute<SerializableAttribute>(); //returns the SerializableAttributeFast way to know if a System.Type represents a 'concretization' of a generic type.
public static bool IsInstantiationOf(this Type type, Type genericType)Example:
typeof(List<int>).IsInstantiationOf(typeof(List<>)); // returns true Simple way to compare a FieldInfo (or PropertyInfo) using [Reflection|Strong Typed Reflection].
public static bool FieldEquals<T>(this FieldInfo fi, Expression<Func<T, object>> lambdaToFiel)
public static bool PropertyEquals<T>(this PropertyInfo fi, Expression<Func<T, object>> lambdaToProperty)Example:
typeof(string).GetProperty("Length").PropertyEquals((string s) => s.Length); //returns trueReturns whether a property has no setter or it's not public.
public static bool IsReadOnly(this PropertyInfo pi)Example:
typeof(string).GetProperty("Length").IsReadOnly(); //returns true© Signum Software. All Rights Reserved.
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