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Lazy Alternatives - LazyAndWeak and BackgroundLoader

, 1 Dec 2011
This article will present two alternatives to Lazy.
LazyAlternatives.zip
LazyAlternatives
LazyAlternatives.suo
LazyAlternativesSample
Properties
Settings.settings
Pfz
Caching
Collections
DataTypes
DynamicObjects
Internal
Extensions
Factoring
Pfz.csproj.user
Pfz.Phone.csproj.user
Pfz.ruleset
Pfz.Silverlight.csproj.user
Pfz.snk
Pfz.suo
PhoneSpecific
Properties
Remoting
Instructions
Internal
Serializers
Udp
Serialization
BinaryBuiltIn
Threading
Contexts
Disposers
Unsafe
using System;
using System.Reflection;

namespace Pfz.DynamicObjects
{
	/// <summary>
	/// Interface that must be implemented by objects that want to be the proxies to calls done to
	/// any interface implemented by InterfaceImplementer class.
	/// </summary>
	public interface IProxyObject
	{
		/// <summary>
		/// Method invoked when a call to a method on the interface is done.
		/// </summary>
		/// <param name="methodInfo">The methodInfo being invoked.</param>
		/// <param name="genericArguments">If the method is generic, this parameter contains the generic arguments to build it.</param>
		/// <param name="parameters">The parameters to the method call.</param>
		/// <returns>You must return a value, if the methodInfo expects a result. Otherwise, return null.</returns>
		object InvokeMethod(MethodInfo methodInfo, Type[] genericArguments, object[] parameters);

		/// <summary>
		/// Method invoked when trying to get a property value.
		/// </summary>
		/// <param name="propertyInfo">The propertyInfo of the property being read.</param>
		/// <param name="indexes">The indexes, if this is an indexed property.</param>
		/// <returns>You must return a valid value for the property.</returns>
		object InvokePropertyGet(PropertyInfo propertyInfo, object[] indexes);

		/// <summary>
		/// Method invoked when trying to set a property value.
		/// </summary>
		/// <param name="propertyInfo">The propertyInfo of the property being set.</param>
		/// <param name="indexes">If this is an indexed property, the indexes of the value being set.</param>
		/// <param name="value">The value to set.</param>
		void InvokePropertySet(PropertyInfo propertyInfo, object[] indexes, object value);

		/// <summary>
		/// Method invoked when trying to register into an event of an interface.
		/// </summary>
		/// <param name="eventInfo">The eventInfo describing the event.</param>
		/// <param name="handler">The handler to add.</param>
		void InvokeEventAdd(EventInfo eventInfo, Delegate handler);

		/// <summary>
		/// Method invoked when trying to unregister from an event of an interface.
		/// </summary>
		/// <param name="eventInfo">The eventInfo describing the event.</param>
		/// <param name="handler">The handler to be removed.</param>
		void InvokeEventRemove(EventInfo eventInfo, Delegate handler);
	}
}

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License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

About the Author

Paulo Zemek
Architect
Canada Canada
I started to program computers when I was 11 years old, as a hobbist, programming in AMOS Basic and Blitz Basic for Amiga.
At 12 I had my first try with assembler, but it was too difficult at the time. Then, in the same year, I learned C and, after learning C, I was finally able to learn assembler (for Motorola 680x0).
Not sure, but probably between 12 and 13, I started to learn C++. I always programmed "in an object oriented way", but using function pointers instead of virtual methods.
 
At 15 I started to learn Pascal at school and to use Delphi. At 16 I started my first internship (using Delphi). At 18 I started to work professionally using C++ and since then I've developed my programming skills as a professional developer in C++ and C#, generally creating libraries that help other developers do they work easier, faster and with less errors.
 
Want more info or simply want to contact me?
Take a look at: http://paulozemek.azurewebsites.net/
Or e-mail me at: paulozemek@outlook.com
 
Codeproject MVP 2012
Microsoft MVP 2013

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