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MVVM for Multi Platforms

, 22 Mar 2010
How to implement MVVM when developing a view model whose view implementation language is not certain
GeographicRepresentation.zip
GeographicRepresentation
bin
Release
GeographicRepresentation.Interfaces.dll
GeographicRepresentation.Interfaces.pdb
GeographicRepresentation.Lib.dll
GeographicRepresentation.Lib.pdb
GeographicRepresentation.TestLib.dll
GeographicRepresentation.TestLib.pdb
GeographicRepresentation.UILib.exe
GeographicRepresentation.UILib.pdb
GeographicRepresentation.UILib.vshost.exe
GeographicRepresentation.UILib.vshost.exe.manifest
Resources
GeographicRepresentation.suo
GeographicRepresentation.TestLib
bin
Debug
GeographicRepresentation.Interfaces.dll
GeographicRepresentation.Lib.dll
GeographicRepresentation.TestLib.dll
Release
Properties
GeographicRepresentation.vsmdi
Interfaces
bin
Debug
GeographicRepresentation.Interfaces.dll
Release
Properties
Lib
bin
Debug
GeographicRepresentation.Interfaces.dll
GeographicRepresentation.Lib.dll
Release
Model
Properties
Resources
ViewModel
LocalTestRun.testrunconfig
TestResults
UILib
bin
Debug
GeographicRepresentation.UILib.exe
WpfApplication1.vshost.exe.manifest
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Settings.settings
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View
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace GeographicRepresentation.Interfaces
{
    /// <summary>
    /// Present data of a country
    /// </summary>
    public interface ICountryViewModel
    {
        #region Properties

        /// <summary>
        /// A unqiue identifier for the city
        /// </summary>
        Guid Id
        {
            get;
        }

        string CountryName
        {
            get;
            set;
        }

        int Size
        {
            get;
            set;
        }        

        /// <summary>
        /// The countries birth rate
        /// </summary>
        float BirthRate
        {
            get;
            set;
        }

        #endregion
        
    }

    /// <summary>
    /// This interface presents a view model for simply viewing data over the country, without the ability to change it
    /// </summary>
    public interface IReadonlyCountryViewModel : ICountryViewModel, IReadOnlyViewModel
    {
        /// <summary>
        /// A list of the cities within the country
        /// </summary>
        IList<IReadOnlyCityViewModel> Cities
        {
            get;
        }

        #region Events

        /// <summary>
        /// Event which occurs once the birth rate changes
        /// </summary>
        event SimpleOperationDelegate OnBirthRateChanged;

        #endregion
    }

    /// <summary>
    /// This interface presents a view model for adding or editing data over a country
    /// </summary>
    public interface IEditableCountryViewModel : ICountryViewModel, IEditableObject
    {
        
    }
}

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About the Author

Izhar Lotem
Software Developer
Israel Israel
Software Developer in a promising Clean-Tech company

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