■ ListView 클래스에서 커스텀 아이콘을 사용하는 방법을 보여준다.
▶ MainForm.cs
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using System; using System.Collections.Generic; using System.Drawing; using System.Drawing.Drawing2D; using System.Windows.Forms; namespace TestProject { /// <summary> /// 메인 폼 /// </summary> public partial class MainForm : Form { //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainForm() /// <summary> /// 생성자 /// </summary> public MainForm() { InitializeComponent(); #region 이벤트를 설정한다. Load += Form_Load; this.viewComboBox.SelectedIndexChanged += viewComboBox_SelectedIndexChanged; #endregion } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Private //////////////////////////////////////////////////////////////////////////////// Event #region 폼 로드시 처리하기 - Form_Load(sender, e) /// <summary> /// 폼 로드시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void Form_Load(object sender, EventArgs e) { this.viewComboBox.SelectedIndex = 0; this.listView.SmallImageList = this.smallImageList; this.listView.LargeImageList = this.largeImageList; this.listView.MakeColumnHeaders ( "제목" , 230, HorizontalAlignment.Left, "URL" , 220, HorizontalAlignment.Left, "ISBN" , 130, HorizontalAlignment.Left, "이미지", 230, HorizontalAlignment.Left, "페이지", 50 , HorizontalAlignment.Right, "연도" , 60 , HorizontalAlignment.Right ); RectangleF smallRectangle = new RectangleF(0, 0, 32, 32); RectangleF largeRectangle = new RectangleF(3, 3, 58, 58); this.smallImageList.Images.Clear(); this.largeImageList.Images.Clear(); using(Pen smallPen = new Pen(Color.Blue, 2)) { using(Pen largePen = new Pen(Color.Blue, 3)) { largePen.LineJoin = LineJoin.Round; for(int i = 1; i <= 7; i++) { Bitmap smallBitmap = new Bitmap(32, 32); using(Graphics smallGraphics = Graphics.FromImage(smallBitmap)) { smallGraphics.SmoothingMode = SmoothingMode.AntiAlias; smallGraphics.Clear(Color.Transparent); DrawStar(smallGraphics, smallRectangle, i + 3, smallPen, Brushes.Yellow); this.smallImageList.Images.Add(i.ToString(), smallBitmap); } Bitmap largeBitmap = new Bitmap(64, 64); using(Graphics largeGraphics = Graphics.FromImage(largeBitmap)) { largeGraphics.Clear(Color.Transparent); largeGraphics.SmoothingMode = SmoothingMode.AntiAlias; DrawStar(largeGraphics, largeRectangle, i + 3, largePen, Brushes.Yellow); this.largeImageList.Images.Add(i.ToString(), largeBitmap); } } } } this.listView.AddRow ( "1", "WPF 3d", "http://www.csharphelper.com/wpf3d.html", "978-1983905964", "http://www.csharphelper.com/wpf3d_350_429.jpg", "430", "2018" ); this.listView.AddRow ( "2", "The C# Helper Top 100", "http://www.csharphelper.com/top100.htm", "978-1546886716", "http://www.csharphelper.com/top100_350_433.jpg", "380", "2017" ); this.listView.AddRow ( "3", "Interview Puzzles Dissected", "http://www.csharphelper.com/puzzles.htm", "978-1539504887", "http://www.csharphelper.com/interview_puzzles_350_433.jpg", "300", "2016" ); this.listView.AddRow ( "4", "C# 24-Hour Trainer, 2e", "http://tinyurl.com/n2a5797", "978-1-119-06566-1", "http://www.csharphelper.com/csharp24hr_2e_79x100.jpg", "600", "2015" ); this.listView.AddRow ( "5", "Beginning Software Engineering", "http://tinyurl.com/pz7bavo", "978-1-118-96914-4", "http://tinyurl.com/y7zusrct", "480", "2015" ); this.listView.AddRow ( "6", "Essential Algorithms", "http://tinyurl.com/y9uqajqv", "978-1-118-61210-1", "http://tinyurl.com/y84d2jgp", "624", "2013" ); this.listView.AddRow ( "7", "Beginning Database Design Solutions", "http://www.vb-helper.com/db_design.htm", "978-0-470-38549-4", "http://www.vb-helper.com/db_design.jpg", "522", "2008" ); } #endregion #region 뷰 콤보 박스 선택 인덱스 변경시 처리하기 - viewComboBox_SelectedIndexChanged(sender, e) /// <summary> /// 뷰 콤보 박스 선택 인덱스 변경시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void viewComboBox_SelectedIndexChanged(object sender, EventArgs e) { switch(this.viewComboBox.Text) { case "Large Icons" : this.listView.View = View.LargeIcon; break; case "Small Icons" : this.listView.View = View.SmallIcon; break; case "List" : this.listView.View = View.List; break; case "Tile" : this.listView.View = View.Tile; break; case "Details" : this.listView.View = View.Details; break; } } #endregion //////////////////////////////////////////////////////////////////////////////// Function #region 별 그리기 - DrawStar(graphics, rectangle, pointCount, pen, brush) /// <summary> /// 별 그리기 /// </summary> /// <param name="graphics">그래픽스</param> /// <param name="rectangle">사각형</param> /// <param name="pointCount">포인트 카운트</param> /// <param name="pen">펜</param> /// <param name="brush">브러시</param> private void DrawStar(Graphics graphics, RectangleF rectangle, int pointCount, Pen pen, Brush brush) { float cx = (rectangle.Left + rectangle.Right ) / 2f; float cy = (rectangle.Top + rectangle.Bottom) / 2f; float rx1 = rectangle.Width / 2f - 1; float ry1 = rectangle.Height / 2f - 1; float rx2 = rx1 / 3f; float ry2 = ry1 / 3f; double theta = -Math.PI / 2; double dtheta = Math.PI / pointCount; List<PointF> pointList = new List<PointF>(); for(int i = 0; i < pointCount; i++) { pointList.Add ( new PointF ( (float)(cx + rx1 * Math.Cos(theta)), (float)(cy + ry1 * Math.Sin(theta)) ) ); theta += dtheta; pointList.Add ( new PointF ( (float)(cx + rx2 * Math.Cos(theta)), (float)(cy + ry2 * Math.Sin(theta)) ) ); theta += dtheta; } PointF[] pointArray = pointList.ToArray(); graphics.FillPolygon(brush, pointArray); graphics.DrawPolygon(pen, pointArray); } #endregion } } |
