[DEVEXPRESS/WINFORM] GridView 클래스 : DragObjectOver 이벤트를 사용해 컬럼 헤더 이동 제한하기

TestProject.zip

다운로드

▶ MainForm.cs

using System.Data.OleDb;

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

namespace TestProject
{
    /// <summary>
    /// 메인 폼
    /// </summary>
    public partial class MainForm : XtraForm
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Field
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region Field

        /// <summary>
        /// 연결
        /// </summary>
        private OleDbConnection connection;

        #endregion

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

        #region 생성자 - MainForm()

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

            this.connection = new OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=nwind.mdb");

            this.gridView.InitializeView
            (
                true,                           // 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.gridControl.DataSource = Order.GetOrderList(this.connection);

            this.gridView.BestFitColumns();

            this.gridView.DragObjectOver += gridView_DragObjectOver;
        }

        #endregion

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

        #region 그리드 뷰 객체 드래그 오버 처리하기 - gridView_DragObjectOver(sender, e)

        /// <summary>
        /// 그리드 뷰 객체 드래그 오버 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void gridView_DragObjectOver(object sender, DragObjectOverEventArgs e)
        {
            GridColumn column = e.DragObject as GridColumn;

            if(column != null)
            {
                if(column.FieldName == "CustomerID" && e.DropInfo.Index == 0)
                {
                    e.DropInfo.Valid = false;
                }
            }
        }

        #endregion
    }
}