[DEVEXPRESS/WINFORM] TreeList 클래스 : CustomDrawFooter 이벤트를 사용해 바닥글 커스텀 그리기

TestProject.zip

0.01MB

▶ MainForm.cs

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

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;
            this.treeList.CustomDrawFooter += treeList_CustomDrawFooter;
        }

        #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.BestFitColumns();
        }

        #endregion
        #region 트리 리스트 바닥글 커스텀 그리기 - treeList_CustomDrawFooter(sender, e)

        /// <summary>
        /// 트리 리스트 바닥글 커스텀 그리기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void treeList_CustomDrawFooter(object sender, CustomDrawEventArgs e)
        {
            LinearGradientBrush footerBrush = new LinearGradientBrush
            (
                e.Bounds,
                Color.FromArgb(170, Color.Orange),
                Color.FromArgb(170, Color.DarkGreen),
                LinearGradientMode.Vertical
            );

            using(footerBrush)
            {
                e.Graphics.FillRectangle(footerBrush, e.Bounds);
            }

            e.Handled = true;
        }

        #endregion
    }
}