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Validation in Windows Presentation Foundation

, 19 Aug 2006
In this article, I'll walk you through using the built-in Validation classes that exist in Windows Presentation Foundation. I'll then discuss an alternative approach to validation that might suit a richer domain layer, by creating a custom WPF ErrorProvider.
#region Using directives

using System.Reflection;
using System.Runtime.CompilerServices;
using System.Resources;
using System.Globalization;
using System.Windows;
using System.Runtime.InteropServices;

#endregion

// 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("PaulStovell.Samples.WpfValidation")]
[assembly: AssemblyDescription("")]
[assembly: AssemblyConfiguration("")]
[assembly: AssemblyCompany("Readify")]
[assembly: AssemblyProduct("PaulStovell.Samples.WpfValidation")]
[assembly: AssemblyCopyright("Copyright @ Readify 2006")]
[assembly: AssemblyTrademark("")]
[assembly: AssemblyCulture("")]
[assembly: ComVisible(false)]

//In order to begin building localizable applications, set 
//<UICulture>CultureYouAreCodingWith</UICulture> in your .csproj file
//inside a <PropertyGroup>.  For example, if you are using US english
//in your source files, set the <UICulture> to en-US.  Then uncomment
//the NeutralResourceLanguage attribute below.  Update the "en-US" in
//the line below to match the UICulture setting in the project file.

//[assembly: NeutralResourcesLanguage("en-US", UltimateResourceFallbackLocation.Satellite)]


[assembly: ThemeInfo(
    ResourceDictionaryLocation.None, //where theme specific resource dictionaries are located
    //(used if a resource is not found in the page, 
    // or application resource dictionaries)
    ResourceDictionaryLocation.SourceAssembly //where the generic resource dictionary is located
    //(used if a resource is not found in the page, 
    // app, or any theme specific resource dictionaries)
)]


// Version information for an assembly consists of the following four values:
//
//      Major Version
//      Minor Version 
//      Build Number
//      Revision
//
// You can specify all the values or you can default the Revision and Build Numbers 
// by using the '*' as shown below:
[assembly: AssemblyVersion("1.0.*")]

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About the Author

Paul Stovell
Octopus Deploy
Australia Australia
My name is Paul Stovell. I live in Brisbane and develop an automated release management product, Octopus Deploy. Prior to working on Octopus I worked for an investment bank in London, and for Readify. I also work on a few open source projects. I am a Microsoft MVP for Client Application Development.
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