[C#/WINFORM/DEVEXPRESS] GridView 클래스 : CustomDrawRowIndicator 이벤트를 사용해 행 지시자 커스텀 그리기

■ GridView 클래스의 CustomDrawRowIndicator 이벤트를 사용해 행 지시자를 커스텀 그리는 방법을 보여준다.

▶ MainForm.cs


using System.Drawing;

using DevExpress.Utils;
using DevExpress.XtraEditors;
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
            (
                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.gridView.IndicatorWidth = 50;

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

            this.gridView.BestFitColumns();

            this.gridView.CustomDrawRowIndicator += gridView_CustomDrawRowIndicator;
        }

        #endregion

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

        #region 그리드 뷰 행 지시자 커스텀 그리기 - gridView_CustomDrawRowIndicator(sender, e)

        /// <summary>
        /// 그리드 뷰 행 지시자 커스텀 그리기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void gridView_CustomDrawRowIndicator(object sender, RowIndicatorCustomDrawEventArgs e)
        {
            if(!e.Info.IsRowIndicator)
            {
                return;
            }

            GridView gridView = sender as GridView;

            e.Handled = true;

            e.Appearance.BackColor = gridView.FocusedRowHandle == e.RowHandle ? Color.Chocolate : Color.MediumSpringGreen;

            e.Appearance.FillRectangle(e.Cache, new Rectangle(e.Bounds.X + 2, e.Bounds.Y + 2, e.Bounds.Width - 4, e.Bounds.Y - 4));

            if(e.Info.ImageIndex < 0)
            {
                return;
            }

            ImageCollection imageCollection = e.Info.ImageCollection as ImageCollection;

            Image image = imageCollection.Images[e.Info.ImageIndex];

            e.Cache.DrawImage(image, new Rectangle(e.Bounds.X + 20, e.Bounds.Y + 6, image.Width, image.Height));
        }

        #endregion
    }
}

using System.Drawing;

using DevExpress.Utils;

using DevExpress.XtraEditors;

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

(

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.gridView.IndicatorWidth = 50;

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

this.gridView.BestFitColumns();

this.gridView.CustomDrawRowIndicator += gridView_CustomDrawRowIndicator;

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 그리드 뷰 행 지시자 커스텀 그리기 - gridView_CustomDrawRowIndicator(sender, e)

/// <summary>

/// 그리드 뷰 행 지시자 커스텀 그리기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void gridView_CustomDrawRowIndicator(object sender, RowIndicatorCustomDrawEventArgs e)

{

if(!e.Info.IsRowIndicator)

{

return;

}

GridView gridView = sender as GridView;

e.Handled = true;

e.Appearance.BackColor = gridView.FocusedRowHandle == e.RowHandle ? Color.Chocolate : Color.MediumSpringGreen;

e.Appearance.FillRectangle(e.Cache, new Rectangle(e.Bounds.X + 2, e.Bounds.Y + 2, e.Bounds.Width - 4, e.Bounds.Y - 4));

if(e.Info.ImageIndex < 0)

{

return;

}

ImageCollection imageCollection = e.Info.ImageCollection as ImageCollection;

Image image = imageCollection.Images[e.Info.ImageIndex];

e.Cache.DrawImage(image, new Rectangle(e.Bounds.X + 20, e.Bounds.Y + 6, image.Width, image.Height));

}

#endregion

}

TestProject.zip