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■ LookUpEdit 클래스 : ProcessNewValue 이벤트를 사용해 데이터 소스에 사용자 입력 값 추가하기

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TestProject.zip


MainForm.cs

 

 

using System.Collections.Generic;

using System.Windows.Forms;

 

using DevExpress.XtraEditors;

using DevExpress.XtraEditors.Controls;

 

namespace TestProject

{

    /// <summary>

    /// 메인 폼

    /// </summary>

    public partial class MainForm : XtraForm

    {

        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

        ////////////////////////////////////////////////////////////////////////////////////////// Public

 

        #region 생성자 - MainForm()

 

        /// <summary>

        /// 생성자

        /// </summary>

        public MainForm()

        {

            InitializeComponent();

 

            List<Contact> sourceList = new List<Contact>();

 

            sourceList.Add(new Contact("John Doe"        ));

            sourceList.Add(new Contact("Sam Hill"        ));

            sourceList.Add(new Contact("Karen Holmes"    ));

            sourceList.Add(new Contact("Bobbie Valentine"));

            sourceList.Add(new Contact("Frank Frankson"  ));

 

            this.lookUpEdit.Properties.TextEditStyle = TextEditStyles.Standard;

            this.lookUpEdit.Properties.ValueMember   = "Name";              

            this.lookUpEdit.Properties.DisplayMember = "Name";

            this.lookUpEdit.Properties.DataSource    = sourceList;

 

            this.lookUpEdit.Properties.Columns.Add(new LookUpColumnInfo("Name", "Name", 80));

 

            this.lookUpEdit.ProcessNewValue += lookUpEdit_ProcessNewValue;

        }

 

        #endregion

 

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method

        ////////////////////////////////////////////////////////////////////////////////////////// Private

 

        #region 룩업 에디터 신규 값 처리하기 - lookUpEdit_ProcessNewValue(sender, e)

 

        /// <summary>

        /// 룩업 에디터 신규 값 처리하기

        /// </summary>

        /// <param name="sender">이벤트 발생자</param>

        /// <param name="e">이벤트 인자</param>

        private void lookUpEdit_ProcessNewValue(object sender, ProcessNewValueEventArgs e)

        {

            string newValue = e.DisplayValue as string;

 

            if(string.IsNullOrWhiteSpace(newValue))

            {

                return;

            }

 

            DialogResult result = XtraMessageBox.Show

            (

                this,

                $"{newValue} 항목을 목록에 추가하시겠습니까?",

                "CONFIRMATION",

                MessageBoxButtons.YesNo,

                MessageBoxIcon.Question

            );

 

            if(result == DialogResult.Yes)

            {

                LookUpEdit lookUpEdit = sender as LookUpEdit;

 

                List<Contact> sourceList = lookUpEdit.Properties.DataSource as List<Contact>;

 

                sourceList.Add(new Contact(newValue));

 

                e.Handled = true;

            }

        }

 

        #endregion

    }

}

 

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Posted by 사용자 icodebroker
TAG

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