■ GridView 클래스의 CalcHitInfo 메소드를 사용해 특정 위치의 요소를 식별하는 방법을 보여준다.
▶ MainForm.cs
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using System; using System.Data.OleDb; using System.Windows.Forms; using DevExpress.Utils; using DevExpress.Utils.Menu; using DevExpress.XtraEditors; using DevExpress.XtraGrid.Menu; using DevExpress.XtraGrid.Views.Grid; using DevExpress.XtraGrid.Views.Grid.ViewInfo; 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 = Product.GetProductList(this.connection); this.gridView.BestFitColumns(); this.gridView.MouseDown += gridView_MouseDown; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Private //////////////////////////////////////////////////////////////////////////////// Event #region 그리드 뷰 마우스 DOWN 처리하기 - gridView_MouseDown(sender, e) /// <summary> /// 그리드 뷰 마우스 DOWN 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void gridView_MouseDown(object sender, MouseEventArgs e) { GridView gridView = sender as GridView; GridHitInfo gridHitInfo = gridView.CalcHitInfo(e.Location); if(gridHitInfo.HitTest != GridHitTest.ColumnButton) { return; } ViewMenu viewMenu = new ViewMenu(gridView); viewMenu.Items.Add(GetMenuCheckItem ( gridView, "Column &Auto Width", new EventHandler(columnAutoWidthMenuCheckItem_CheckedChanged)) ); viewMenu.Show(gridHitInfo.HitPoint); } #endregion #region 컬럼 자동 너비 메뉴 체크 항목 체크 변경시 처리하기 - columnAutoWidthMenuCheckItem_CheckedChanged(sender, e) /// <summary> /// 컬럼 자동 너비 메뉴 체크 항목 체크 변경시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void columnAutoWidthMenuCheckItem_CheckedChanged(object sender, EventArgs e) { DXMenuCheckItem menuCheckItem = sender as DXMenuCheckItem; GridView gridView = menuCheckItem.Tag as GridView; if(gridView == null) { return; } gridView.OptionsView.ColumnAutoWidth = menuCheckItem.Checked; if(!gridView.OptionsView.ColumnAutoWidth) { gridView.BestFitColumns(); } } #endregion //////////////////////////////////////////////////////////////////////////////// Function #region 메뉴 체크 항목 구하기 - GetMenuCheckItem(gridView, caption, checkedChangedEventHandler) /// <summary> /// 메뉴 체크 항목 구하기 /// </summary> /// <param name="gridView">그리드 뷰</param> /// <param name="caption">제목</param> /// <param name="checkedChangedEventHandler">체크 변경시 이벤트 핸들러</param> /// <returns>메뉴 체크 항목</returns> private DXMenuCheckItem GetMenuCheckItem(GridView gridView, string caption, EventHandler checkedChangedEventHandler) { DXMenuCheckItem menuCheckItem = new DXMenuCheckItem ( caption, gridView.OptionsView.ColumnAutoWidth, null, checkedChangedEventHandler ); menuCheckItem.Tag = gridView; return menuCheckItem; } #endregion } } |