Downloads: Building WPF Applications with Self-Tracking Entity Generator - Project Setup

//------------------------------------------------------------------------------
// <auto-generated>
//     This code was generated from a template.
//
//     Changes to this file may cause incorrect behavior and will be lost if
//     the code is regenerated.
// </auto-generated>
//------------------------------------------------------------------------------

using System;
using System.Collections;
using System.Collections.Generic;
using System.ComponentModel;
using System.ComponentModel.DataAnnotations;
using System.Linq;

#if (SILVERLIGHT || WPF)
namespace SchoolSample.EntityModel
{
    public class ValidationResultChangedEventArgs : EventArgs
    {
        public ValidationResultChangedEventArgs(string propertyName, IList<ValidationResult> removedItems, IList<ValidationResult> addedItems)
        {
            PropertyName = propertyName;
            RemovedItems = removedItems ?? new List<ValidationResult>();
            AddedItems = addedItems ?? new List<ValidationResult>();
        }
    
        public string PropertyName { get; private set; }
        public IList<ValidationResult> AddedItems { get; private set; }
        public IList<ValidationResult> RemovedItems { get; private set; }
    }
    
    // An interface that provides an event that fires when validation results changed
    public interface INotifyValidationResultChanged
    {
        event EventHandler<ValidationResultChangedEventArgs> ValidationResultChanged;
    }
    
    // An interface that defines the only method GetNextLevelNodes()
    // which computes the level ofa node inside the object graph
    public interface INodeLevel
    {
        List<INodeLevel> GetNextLevelNodes(Dictionary<INodeLevel, int> nodeLevelDictionary);
    }
    
    // An interface that provides methods and properties for client side change tracking
    public interface IClientChangeTracking
    {
        // accepts changes made to the entity object
        void AcceptChanges();
        // rejects changes made to the entity object
        void RejectChanges();
        // whether the entity object has any changes
        bool HasChanges { get; }
        // accepts changes made to the entity object and all objects of its object graph
        void AcceptObjectGraphChanges();
        // rejects changes made to the entity object and all objects of its object graph
        void RejectObjectGraphChanges();
        // returns whether the entity object along with its object graph has any changes
        bool ObjectGraphHasChanges();
        // returns the estimate size of the entity object along with its object graph
        long EstimateObjectGraphSize();
        // returns the estimate size of the optimized entity object graph with only objects that have changes
        long EstimateObjectGraphChangeSize();
        // returns an optimized entity object graph with only objects that have changes
        IObjectWithChangeTracker GetObjectGraphChanges();
    }
}
#endif

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

About the Author

Weidong Shen

Software Developer (Senior)

United States

Member

Weidong has been an information system professional since 1990. He has a Master's degree in Computer Science, and is currently a MCSD .NET

This article describes the project setup of building a WPF sample application with Self-Tracking Entity Generator for WPF/Silverlight.

Type	Article
Licence	CPOL
First Posted	7 Dec 2011
Views	25,090
Downloads	2,686
Bookmarked	44 times

C#Windows.NETDevXAML
WPFIntermediate, +

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