[DEVEXPRESS/WINFORM] TreeList 클래스 : SetNodeCheckState 메소드를 사용해 노드 체크 상태 설정하기

TestProject.zip

다운로드

▶ MainForm.cs

using System;
using System.Windows.Forms;

using DevExpress.XtraEditors;
using DevExpress.XtraTreeList;
using DevExpress.XtraTreeList.Nodes;

namespace TestProject
{
    /// <summary>
    /// 메인 폼
    /// </summary>
    public partial class MainForm : XtraForm
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - MainForm()

        /// <summary>
        /// 생성자
        /// </summary>
        public MainForm()
        {
            InitializeComponent();

            Load += Form_Load;
        }

        #endregion

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

        #region 폼 로드시 처리하기 - Form_Load(sender, e)

        /// <summary>
        /// 폼 로드시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void Form_Load(object sender, EventArgs e)
        {
            this.treeList.RowHeight                                    = 25;
            this.treeList.OptionsView.AutoWidth                        = false;
            this.treeList.OptionsView.CheckBoxStyle                    = DefaultNodeCheckBoxStyle.Check;
            this.treeList.OptionsBehavior.ReadOnly                     = true;
            this.treeList.OptionsBehavior.PopulateServiceColumns       = true;
            this.treeList.OptionsBehavior.AllowIndeterminateCheckState = true;
            this.treeList.KeyFieldName                                 = "ID";
            this.treeList.ParentFieldName                              = "RegionID";

            this.treeList.DataSource = SalesData.GetSalesDataList();

            this.treeList.Columns[this.treeList.KeyFieldName   ].Visible = false;
            this.treeList.Columns[this.treeList.ParentFieldName].Visible = false;

            this.treeList.BestFitColumns();

            this.treeList.ExpandAll();

            TreeListNode node = this.treeList.FindNodeByFieldValue("Region", "Eastern Europe");

            if(node != null)
            {
                this.treeList.SetNodeCheckState(node, CheckState.Checked, false);
            }
        }

        #endregion
    }
}