[DEVEXPRESS/WINFORM] GridView 클래스 : GetRowExpanded/SetRowExpanded 메소드를 사용해 행 확장/축소하기

TestProject.zip

다운로드

▶ MainForm.cs

using DevExpress.Utils;
using DevExpress.XtraEditors;
using DevExpress.XtraGrid.Views.Base;
using DevExpress.XtraGrid.Views.Grid;

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

        #region 생성자 - MainForm()

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

            this.gridView.InitializeView
            (
                false,                          // Multi Select
                GridMultiSelectMode.CellSelect, // Grid Multi Select Mode
                DrawFocusRectStyle.CellFocus,   // Draw Focus Rect Style
                true,                           // Show Indicator
                true,                           // Show Column Headers
                true,                           // Allow Column Moving
                true,                           // Allow Column Resizing
                true,                           // Allow Filter
                true,                           // Allow Sort
                false,                          // Allow Cell Merge
                EditorShowMode.Default,         // Editor Show Mode
                false                           // Editable
            );

            this.gridView.OptionsBehavior.AutoPopulateColumns = true;

            this.gridView.OptionsView.ShowGroupPanel = true;

            this.gridView.OptionsView.ShowGroupedColumns = true;

            this.gridView.FocusedRowChanged += gridView_FocusedRowChanged;

            this.gridControl.DataSource = new nwindDataSetTableAdapters.CustomersTableAdapter().GetData();

            this.gridView.Columns["Country"].GroupIndex = 0;

            this.gridView.BestFitColumns();
        }

        #endregion

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

        #region 그리드 뷰 포커스 행 변경시 처리하기 - gridView_FocusedRowChanged(sender, e)

        /// <summary>
        /// 그리드 뷰 포커스 행 변경시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void gridView_FocusedRowChanged(object sender, FocusedRowChangedEventArgs e)
        {
            GridView gridView = sender as GridView;

            if(gridView.IsGroupRow(e.FocusedRowHandle))
            {
                bool expanded = gridView.GetRowExpanded(e.FocusedRowHandle);

                gridView.SetRowExpanded(e.FocusedRowHandle, !expanded);
            }
        }

        #endregion
    }
}