[C#]DictService

namespace DictServceDemo { public partial class Form1 : Form {

    #region Var
    private DictService _dictService;
    #endregion

    #region Private Property
    public DictService m_DictService
    {
        get
        {
            if (_dictService == null)
                _dictService = new DictService();
            return _dictService; 
        }
    }
    #endregion

    #region Constructor
    public Form1()
    {
        InitializeComponent();
    } 
    #endregion

    #region Event Process
    private void Form1_Load(object sender, EventArgs e)
    {
        cbxDict.DisplayMember = "Name";
        cbxDict.DataSource = m_DictService.DictionaryList();

        cbxStrategy.DisplayMember = "Id";
        cbxStrategy.DataSource = m_DictService.StrategyList();
    }


    private void lbxResult_SelectedIndexChanged(object sender, EventArgs e)
    {
        if (cbxDict.SelectedItem == null)
            return;

        if (lbxResult.SelectedItem == null)
            return;

        var dict = cbxDict.SelectedItem as Dictionary;
        var dictWord = lbxResult.SelectedItem as DictionaryWord;

        lbxDefine.DisplayMember = "WordDefinition";
        lbxDefine.DataSource = m_DictService.DefineInDict(dict.Id, dictWord.Word).Definitions;
    }

    private void tbxKeyword_KeyUp(object sender, KeyEventArgs e)
    {
        if (cbxDict.SelectedItem == null)
            return;

        if (cbxStrategy.SelectedItem == null)
            return;

        lbxDefine.DataSource = null;

        if (tbxKeyword.Text.Length == 0)
        {
            lbxResult.DataSource = null;
            return;
        }

        var dict = cbxDict.SelectedItem as Dictionary;
        var strategy = cbxStrategy.SelectedItem as Strategy;

        lbxResult.DisplayMember = "Word";
        lbxResult.DataSource = m_DictService.MatchInDict(dict.Id, tbxKeyword.Text, strategy.Id);
    } 
    #endregion
}

}

namespace WindowsFormsApplication6 { public partial class Form1 : Form {

    #region Var      
    private AutoCompleteStringCollection _autoCompleteSource;
    private DictService _dictService;
    #endregion

    #region Private Property
    private AutoCompleteStringCollection m_AutoCompleteSource
    {
        get
        {
            if (_autoCompleteSource == null)
                _autoCompleteSource = new AutoCompleteStringCollection();
            return _autoCompleteSource;
        }
        set
        {
            _autoCompleteSource = value;
        }
    }

    private DictService m_DictService
    {
        get
        {
            if (_dictService == null)
            {
                _dictService = new DictService();
                _dictService.MatchInDictCompleted += new MatchInDictCompletedEventHandler(m_DictService_MatchInDictCompleted);
            }
            return _dictService;
        }
    }
    #endregion


    public Form1()
    {
        InitializeComponent();
        textBox1.AutoCompleteMode = AutoCompleteMode.Append;
        textBox1.AutoCompleteSource = AutoCompleteSource.CustomSource;
    }

    #region Event Process
    private void textBox1_KeyUp(object sender, KeyEventArgs e)
    {
        if (textBox1.Text.Length == 0)
            return;

        textBox1.AutoCompleteCustomSource = m_AutoCompleteSource;

        var userState = new object();
        m_DictService.CancelAsync(userState);
        m_DictService.MatchInDictAsync("wn", textBox1.Text, "prefix", userState);
    }

    void m_DictService_MatchInDictCompleted(object sender, MatchInDictCompletedEventArgs e)
    {
        if (e.Cancelled)
            return;

       m_AutoCompleteSource = new AutoCompleteStringCollection();
        m_AutoCompleteSource.AddRange(e.Result.Select((item) => item.Word).ToArray());
    }
    #endregion

}

}

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