[DEVEXPRESS/WINFORM] TreeList 클래스 : NodesIterator 속성을 사용해 미체크 노드 리스트 구하는 작업 실행하기

TestProject.zip

다운로드

▶ GetUncheckedNodeTreeListOperation.cs

using System.Collections.Generic;
using System.Windows.Forms;

using DevExpress.XtraTreeList.Nodes;
using DevExpress.XtraTreeList.Nodes.Operations;

namespace TestProject
{
    /// <summary>
    /// 미체크 노드 구하기 트리 리스트 작업
    /// </summary>
    public class GetUncheckedNodeTreeListOperation : TreeListOperation
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Field
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region Field

        /// <summary>
        /// 타겟 노드 리스트
        /// </summary>
        public List<TreeListNode> TargetNodeList = new List<TreeListNode>();

        #endregion

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

        #region 생성자 - GetUncheckedNodeTreeListOperation()

        /// <summary>
        /// 생성자
        /// </summary>
        public GetUncheckedNodeTreeListOperation() : base()
        {
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 실행하기 - Execute(node)

        /// <summary>
        /// 실행하기
        /// </summary>
        /// <param name="node">노드</param>
        public override void Execute(TreeListNode node)
        {
            if(node.CheckState == CheckState.Unchecked)
            {
                TargetNodeList.Add(node);
            }
        }

        #endregion
    }
}

 

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▶ MainForm.cs

using System;
using System.Windows.Forms;

using DevExpress.XtraEditors;
using DevExpress.XtraTreeList;

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;
            this.executeButton.Click += executeButton_Click;
        }

        #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.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();
        }

        #endregion
        #region 실행 버튼 클릭시 처리하기 - executeButton_Click(sender, e)

        /// <summary>
        /// 실행 버튼 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void executeButton_Click(object sender, EventArgs e)
        {
            GetUncheckedNodeTreeListOperation operation = new GetUncheckedNodeTreeListOperation();

            this.treeList.NodesIterator.DoOperation(operation);

            int count = operation.TargetNodeList.Count;

            XtraMessageBox.Show(this, count.ToString(), "INFORMATION", MessageBoxButtons.OK, MessageBoxIcon.Information);
        }

        #endregion
    }
}