[DEVEXPRESS/WINFORM] TreeList 클래스 : Painter 속성을 사용해 디폴트 페인터 헬퍼 설정하기

TestProject.zip

다운로드

▶ CustomTreeListPaintHelper.cs

using System.Drawing;
using System.Drawing.Drawing2D;

using DevExpress.XtraTreeList;
using DevExpress.XtraTreeList.Painter;

namespace TestProject
{
    /// <summary>
    /// 커스텀 트리 리스트 페인트 헬퍼
    /// </summary>
    public class CustomTreeListPaintHelper : TreeListPaintHelper
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region FOOTER 배경 그리기 - DrawFooterBackGround(e)

        /// <summary>
        /// FOOTER 배경 그리기
        /// </summary>
        /// <param name="e">이벤트 인자</param>
        public override void DrawFooterBackGround(CustomDrawEventArgs e)
        {
            LinearGradientBrush brush = new LinearGradientBrush
            (
                e.Bounds, 
                Color.FromArgb(244, 210, 227),
                Color.FromArgb(207, 196, 230),
                LinearGradientMode.Vertical
            );

            e.Graphics.FillRectangle(brush, e.Bounds);
        }

        #endregion
    }
}

 

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▶ MainForm.cs

using System;

using DevExpress.XtraEditors;
using DevExpress.XtraTreeList;
using DevExpress.XtraTreeList.Columns;

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.ShowSummaryFooter          = true;
            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;

            TreeListColumn salesColumn = this.treeList.Columns["Sales"];

            salesColumn.AllNodesSummary        = true;
            salesColumn.SummaryFooter          = SummaryItemType.Sum;
            salesColumn.SummaryFooterStrFormat = "합계 : {0:c0}";

            this.treeList.Painter.DefaultPaintHelper = new CustomTreeListPaintHelper();

            this.treeList.BestFitColumns();
        }

        #endregion
    }
}