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Propagator in C# - An Alternative to the Observer Design Pattern

, 13 Jul 2009
Re-usable implementation of the Propagator Design Pattern in C#, a potentially more powerful alternative to the well-known Observer Design Pattern.
using System.Reflection;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;

// General Information about an assembly is controlled through the following 
// set of attributes. Change these attribute values to modify the information
// associated with an assembly.
[assembly: AssemblyTitle("PropagatorDemo")]
[assembly: AssemblyDescription("")]
[assembly: AssemblyConfiguration("")]
[assembly: AssemblyCompany("")]
[assembly: AssemblyProduct("PropagatorDemo")]
[assembly: AssemblyCopyright("Copyright ©  2009")]
[assembly: AssemblyTrademark("")]
[assembly: AssemblyCulture("")]

// Setting ComVisible to false makes the types in this assembly not visible 
// to COM components.  If you need to access a type in this assembly from 
// COM, set the ComVisible attribute to true on that type.
[assembly: ComVisible(false)]

// The following GUID is for the ID of the typelib if this project is exposed to COM
[assembly: Guid("eb0613ea-44a7-4378-8bc7-a1b9d04d4544")]

// Version information for an assembly consists of the following four values:
//
//      Major Version
//      Minor Version 
//      Build Number
//      Revision
//
[assembly: AssemblyVersion("1.0.0.0")]
[assembly: AssemblyFileVersion("1.0.0.0")]

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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

Martijn Boeker
Software Developer (Senior) Phi International
Canada Canada
Grew up in Amsterdam, now living in downtown Vancouver. There are definitely more mountains here.
 
My first internship was with the first company in the Netherlands to teach C++ (www.datasim.nl). During this internship I got to know Object Oriented Design, which kept my interest until this day. In the mean time, I have worked for different companies in the Netherlands and Canada. I have done most of my recent work in C#, developing Database/Web/Desktop applications.
 
I am currently working as a freelance Software Developer for PHI International in Amsterdam.
 
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