File: System.Activities.Presentation\System\Activities\Presentation\ValidationErrorSourceLocatorFeature.cs
Project: ndp\cdf\src\NetFx40\Tools\System.Activities.Presentation.csproj (System.Activities.Presentation)
// <copyright>
//   Copyright (c) Microsoft Corporation.  All rights reserved.
// </copyright>
 
namespace System.Activities.Presentation
{
    using System.Activities.Presentation.Validation;
    using System.Collections.Generic;
    using System.Runtime;
 
    internal abstract class ValidationErrorSourceLocatorFeature : Feature
    {
        protected abstract IValidationErrorSourceLocator ValidationErrorSourceLocator
        {
            get;
        }
 
        public override void Initialize(EditingContext context, Type modelType)
        {
            Fx.Assert(context != null, "Context should not be null.");
            Fx.Assert(modelType != null, "modelType should not be null.");
            ValidationService validationService = context.Services.GetRequiredService<ValidationService>();
            validationService.RegisterValidationErrorSourceLocator(modelType, this.ValidationErrorSourceLocator);
        }
    }
}