[DEVEXPRESS/WPF] DelegateCommand 클래스 사용하기

using System.Windows.Input;

using DevExpress.Xpf.Mvvm;

/// <summary>
/// 바인딩 가능한 객체
/// </summary>
public class BindableObject : BindableBase
{
    //////////////////////////////////////////////////////////////////////////////////////////////////// Field
    ////////////////////////////////////////////////////////////////////////////////////////// Private

    #region Field

    /// <summary>
    /// 정수 속성
    /// </summary>
    private int integerProperty;


    /// <summary>
    /// 명령 1
    /// </summary>
    private ICommand command1;

    /// <summary>
    /// 명령 2
    /// </summary>
    private ICommand command2;

    /// <summary>
    /// 명령 3
    /// </summary>
    private ICommand command3;

    /// <summary>
    /// 명령 4
    /// </summary>
    private ICommand command4;

    /// <summary>
    /// 명령 5
    /// </summary>
    private DelegateCommand command5;

    #endregion

    //////////////////////////////////////////////////////////////////////////////////////////////////// Property
    ////////////////////////////////////////////////////////////////////////////////////////// Public

    #region 정수 속성 - IntegerProperty

    /// <summary>
    /// 정수 속성
    /// </summary>
    public int IntegerProperty
    {
        get
        {
            return this.integerProperty;
        }
        set
        {
            SetProperty(ref this.integerProperty, value, () => IntegerProperty, () => Command5.RaiseCanExecuteChanged());
        }
    }

    #endregion


    #region 명령 1 - Command1

    /// <summary>
    /// 명령 1
    /// </summary>
    public ICommand Command1
    {
        get
        {
            if(this.command1 == null)
            {
                this.command1 = new DelegateCommand(OnCommand1Execute);
            }

            return this.command1;
        }
    }

    #endregion

    #region 명령 2 - Command2

    /// <summary>
    /// 명령 2
    /// </summary>
    public ICommand Command2
    {
        get
        {
            if(command2 == null)
            {
                this.command2 = new DelegateCommand(OnCommand2Execute, OnCommand2CanExecute);
            }

            return this.command2;
        }
    }

    #endregion

    #region 명령 3 - Command3

    /// <summary>
    /// 명령 3
    /// </summary>
    public ICommand Command3
    {
        get
        {
            if(this.command3 == null)
            {
                this.command3 = new DelegateCommand<object>(OnCommand3Execute, OnCommand3CanExecute);
            }

            return this.command3;
        }
    }

    #endregion

    #region 명령 4 - Command4

    /// <summary>
    /// 명령 4
    /// </summary>
    public ICommand Command4
    {
        get
        {
            if(this.command4 == null)
            {
                this.command4 = new DelegateCommand<int>(OnCommand4Execute, OnCommand4CanExecute);
            }

            return this.command4;
        }
    }

    #endregion

    // 정수 속성 값 설정시 명령 5 실행 가능 여부 조사 요청 처리를 위해 ICommand가 아닌 DelegateCommand로 정의된다.
    #region 명령 5 - Command5

    /// <summary>
    /// 명령 5
    /// </summary>
    public DelegateCommand Command5
    {
        get
        {
            if(this.command5 == null)
            {
                this.command5 = new DelegateCommand(OnCommand5Execute, OnCommand5CanExecute);
            }

            return this.command5;
        }
    }

    #endregion

    // 생성자에서 초기화 한다.
    #region 명령 6 - Command6

    /// <summary>
    /// 명령 6
    /// </summary>
    public ICommand Command6 { get; private set; }

    #endregion

    //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
    ////////////////////////////////////////////////////////////////////////////////////////// Public

    #region 생성자 - BindableObject()

    /// <summary>
    /// 생성자
    /// </summary>
    public BindableObject()
    {
        Command6 = new DelegateCommand(() => { /* 처리 코드 */ ; });
    }

    #endregion

    //////////////////////////////////////////////////////////////////////////////////////////////////// Method
    ////////////////////////////////////////////////////////////////////////////////////////// Private

    #region 명령 1 실행시 처리하기 - OnCommand1Execute()

    /// <summary>
    /// 명령 1 실행시 처리하기
    /// </summary>
    private void OnCommand1Execute()
    {
    }

    #endregion

    #region 명령 2 실행시 처리하기 - OnCommand2Execute()

    /// <summary>
    /// 명령 2 실행시 처리하기
    /// </summary>
    private void OnCommand2Execute()
    {
    }

    #endregion

    #region 명령 2 실행 가능 여부 조사시 처리하기 - OnCommand2CanExecute()

    /// <summary>
    /// 명령 2 실행 가능 여부 조사시 처리하기
    /// </summary>
    /// <returns>명령 2 실행 가능 여부</returns>
    private bool OnCommand2CanExecute()
    {
        return true;
    }
    
    #endregion

    #region 명령 3 실행시 처리하기 - OnCommand3Execute(parameter)

    /// <summary>
    /// 명령 3 실행시 처리하기
    /// </summary>
    /// <param name="parameter">매개 변수</param>
    private void OnCommand3Execute(object parameter)
    {
    }

    #endregion

    #region 명령 3 실행 가능 여부 조사시 처리하기 - OnCommand3CanExecute(parameter)

    /// <summary>
    /// 명령 3 실행 가능 여부 조사시 처리하기
    /// </summary>
    /// <param name="parameter">매개 변수</param>
    /// <returns>명령 3 실행 가능 여부</returns>
    private bool OnCommand3CanExecute(object parameter)
    {
        return true;
    }

    #endregion

    #region 명령 4 실행시 처리하기 - OnCommand4Execute(parameter)

    /// <summary>
    /// 명령 4 실행시 처리하기
    /// </summary>
    /// <param name="parameter">매개 변수</param>
    private void OnCommand4Execute(int parameter)
    {
    }

    #endregion

    #region 명령 4 실행 가능 여부 조사시 처리하기 - OnCommand4CanExecute(parameter)

    /// <summary>
    /// 명령 4 실행 가능 여부 조사시 처리하기
    /// </summary>
    /// <param name="parameter">매개 변수</param>
    /// <returns>명령 4 실행 가능 여부</returns>
    private bool OnCommand4CanExecute(int parameter)
    {
        return true;
    }

    #endregion

    #region 명령 5 실행시 처리하기 - OnCommand5Execute()

    /// <summary>
    /// 명령 5 실행시 처리하기
    /// </summary>
    private void OnCommand5Execute()
    {
    }

    #endregion

    #region 명령 5 실행 가능 여부 조사시 처리하기 - OnCommand5CanExecute()

    /// <summary>
    /// 명령 5 실행 가능 여부 조사시 처리하기
    /// </summary>
    /// <returns>명령 5 실행 가능 여부</returns>
    private bool OnCommand5CanExecute()
    {
        return IntegerProperty % 2 == 0;
    }

    #endregion
}