■ DataGridView 클래스의 RowPostPaint 이벤트를 사용해 행 번호를 표시하는 방법을 보여준다.
▶ MainForm.cs
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using System; using System.Collections.Generic; using System.Drawing; using System.Windows.Forms; namespace TestProject { /// <summary> /// 메인 폼 /// </summary> public partial class MainForm : Form { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 마우스 DOWN 행 인덱스 /// </summary> private int mouseDownRowIndex; /// <summary> /// 마우스 DOWN 사각형 /// </summary> private Rectangle mouseDownRectangle; /// <summary> /// 드레그 DROP 행 인덱스 /// </summary> private int dragDropRowIndex; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainForm() /// <summary> /// 생성자 /// </summary> public MainForm() { InitializeComponent(); #region 리스트를 설정한다. List<DataItem> list = new List<DataItem>(); list.Add(new DataItem { Item = "형식" , Description = "쌍발 복좌 고등 훈련기" }); list.Add(new DataItem { Item = "전폭" , Description = "7.70m" }); list.Add(new DataItem { Item = "전장" , Description = "14.14m" }); list.Add(new DataItem { Item = "전고" , Description = "3.92m" }); list.Add(new DataItem { Item = "주익 면적" , Description = "15.8m²" }); list.Add(new DataItem { Item = "최대 이륙 중량", Description = "5,466kg" }); list.Add(new DataItem { Item = "엔진" , Description = "GE J85-GE-5R 터보 제트 엔진 (Dry 995kg, A/B 1,497kg) × 2" }); list.Add(new DataItem { Item = "최대 속도" , Description = "M 1.23/10,973m" }); list.Add(new DataItem { Item = "순항 속도" , Description = "M 0.95/10,973m" }); list.Add(new DataItem { Item = "상승 한도" , Description = "16,335m" }); list.Add(new DataItem { Item = "항속 거리" , Description = "1,768km(최대 연료)" }); list.Add(new DataItem { Item = "이륙활주거리" , Description = "762m" }); list.Add(new DataItem { Item = "착륙활주거리" , Description = "915m" }); list.Add(new DataItem { Item = "승무원" , Description = "2명" }); list.Add(new DataItem { Item = "가격" , Description = "756,000달러(1961년)" }); #endregion #region 데이터 그리드 뷰를 설정한다. this.dataGridView.AllowDrop = true; #endregion SetDataGridViewData(list); #region 이벤트를 설정한다. this.dataGridView.RowPostPaint += dataGridView_RowPostPaint; #endregion } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Private //////////////////////////////////////////////////////////////////////////////// Event #region 데이터 그리드 뷰 행 포스트 PAINT 처리하기 - dataGridView_RowPostPaint(sender, e) /// <summary> /// 데이터 그리드 뷰 행 포스트 PAINT 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void dataGridView_RowPostPaint(object sender, DataGridViewRowPostPaintEventArgs e) { DataGridView dataGridView = sender as DataGridView; string rowNumber = (e.RowIndex + 1).ToString(); StringFormat stringFormat = new StringFormat() { Alignment = StringAlignment.Center, LineAlignment = StringAlignment.Center }; Rectangle drawRectangle = new Rectangle ( e.RowBounds.Left, e.RowBounds.Top, dataGridView.RowHeadersWidth, e.RowBounds.Height ); e.Graphics.DrawString(rowNumber, this.Font, SystemBrushes.ControlText, drawRectangle, stringFormat); } #endregion //////////////////////////////////////////////////////////////////////////////// Functioon #region 데이터 그리드 뷰 셀 스타일 구하기 - GetDataGridViewCellStyle(backgroundColor, alignment) /// <summary> /// 데이터 그리드 뷰 셀 스타일 구하기 /// </summary> /// <param name="backgroundColor">배경색</param> /// <param name="alignment">정렬</param> /// <returns>데이터 그리드 뷰 셀 스타일</returns> private DataGridViewCellStyle GetDataGridViewCellStyle(Color backgroundColor, DataGridViewContentAlignment alignment) { DataGridViewCellStyle style = new DataGridViewCellStyle(); style.Alignment = alignment; style.BackColor = backgroundColor; return style; } #endregion #region 데이터 그리드 뷰 데이터 설정하기 - SetDataGridViewData(dataSource) /// <summary> /// 데이터 그리드 뷰 데이터 설정하기 /// </summary> /// <param name="dataSource">데이터 소스</param> private void SetDataGridViewData(object dataSource) { if(this.dataGridView.DataSource != null) { IDisposable disposable = this.dataGridView.DataSource as IDisposable; this.dataGridView.DataSource = null; if(disposable != null) { disposable.Dispose(); disposable = null; } } #region 리스트 데이터 그리드 뷰 컬럼을 설정한다. this.dataGridView.Columns.Clear(); DataGridViewColumn column; column = new DataGridViewTextBoxColumn(); column.Width = 150; column.HeaderCell.Style.Alignment = DataGridViewContentAlignment.MiddleCenter; column.HeaderText = "항목"; column.SortMode = DataGridViewColumnSortMode.NotSortable; column.DataPropertyName = "Item"; column.ValueType = typeof(string); column.DefaultCellStyle = GetDataGridViewCellStyle(Color.White, DataGridViewContentAlignment.MiddleLeft); this.dataGridView.Columns.Add(column); column = new DataGridViewTextBoxColumn(); column.Width = 500; column.HeaderCell.Style.Alignment = DataGridViewContentAlignment.MiddleCenter; column.HeaderText = "설명"; column.SortMode = DataGridViewColumnSortMode.NotSortable; column.DataPropertyName = "Description"; column.ValueType = typeof(string); column.DefaultCellStyle = GetDataGridViewCellStyle(Color.White, DataGridViewContentAlignment.MiddleLeft); this.dataGridView.Columns.Add(column); #endregion this.dataGridView.DataSource = dataSource; } #endregion } } |
