■ 마우스 히트 테스트(Hit Test)를 사용하는 방법을 보여준다.
▶ MainForm.cs
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using System.Drawing; using System.Drawing.Drawing2D; using System.Windows.Forms; namespace TestProject { /// <summary> /// 메인 폼 /// </summary> public partial class MainForm : Form { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 그래픽스 경로 1 /// </summary> private GraphicsPath graphicsPath1; /// <summary> /// 그래픽스 경로 2 /// </summary> private GraphicsPath graphicsPath2; /// <summary> /// 영역 2 /// </summary> private Region region2; /// <summary> /// 사각형 3 /// </summary> private Rectangle rectangle3; /// <summary> /// 그래픽스 경로 1 내부 위치 여부 /// </summary> private bool inGraphicsPath1 = false; /// <summary> /// 영역 2 내부 위치 여부 /// </summary> private bool inRegion2 = false; /// <summary> /// 사각형 3 내부 위치 여부 /// </summary> private bool inRectangle3 = false; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainForm() /// <summary> /// 생성자 /// </summary> public MainForm() { InitializeComponent(); this.graphicsPath1 = new GraphicsPath(); this.graphicsPath1.AddLine(50 , 50 , 170, 50 ); this.graphicsPath1.AddLine(170, 50 , 170, 140); this.graphicsPath1.AddLine(170, 140, 50 , 170); this.graphicsPath1.CloseFigure(); this.graphicsPath2 = new GraphicsPath(); this.graphicsPath2.AddLine(200, 50 , 380, 50 ); this.graphicsPath2.AddLine(380, 50 , 380, 140); this.graphicsPath2.AddLine(380, 140, 470, 140); this.graphicsPath2.AddLine(470, 140, 470, 200); this.graphicsPath2.AddLine(470, 200, 320, 200); this.graphicsPath2.AddLine(320, 200, 320, 140); this.graphicsPath2.AddLine(320, 140, 200, 140); this.graphicsPath2.CloseFigure(); this.region2 = new Region(graphicsPath2); this.rectangle3 = new Rectangle(50, 290, 260, 200); MouseMove += Form_MouseMove; Paint += Form_Paint; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Private #region 폼 마우스 이동시 처리하기 - Form_MouseMove(sender, e) /// <summary> /// 폼 마우스 이동시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void Form_MouseMove(object sender, MouseEventArgs e) { Graphics graphics = CreateGraphics(); try { if(this.inGraphicsPath1) { if(!this.graphicsPath1.IsVisible(e.X, e.Y)) { graphics.FillPath(Brushes.White, this.graphicsPath1); graphics.DrawPath(Pens.Black, this.graphicsPath1); this.inGraphicsPath1 = false; return; } } else { if(this.graphicsPath1.IsVisible(e.X, e.Y)) { graphics.FillPath(Brushes.LightBlue, this.graphicsPath1); graphics.DrawPath(Pens.Black, this.graphicsPath1); this.inGraphicsPath1 = true; return; } } if(this.inRegion2) { if(!this.region2.IsVisible(e.X, e.Y)) { graphics.FillRegion(Brushes.White, this.region2); graphics.DrawPath(Pens.Black, this.graphicsPath2); this.inRegion2 = false; return; } } else { if(this.region2.IsVisible(e.X, e.Y)) { graphics.FillRegion(Brushes.Pink, this.region2); graphics.DrawPath(Pens.Black, this.graphicsPath2); this.inRegion2 = true; return; } } if(this.inRectangle3) { if(!this.rectangle3.Contains(e.X, e.Y)) { graphics.FillRectangle(Brushes.White, this.rectangle3); graphics.DrawRectangle(Pens.Black, this.rectangle3); this.inRectangle3 = false; return; } } else { if(this.rectangle3.Contains(e.X, e.Y)) { graphics.FillRectangle(Brushes.LightGreen, this.rectangle3); graphics.DrawRectangle(Pens.Black, this.rectangle3); this.inRectangle3 = true; return; } } } finally { graphics.Dispose(); } } #endregion #region 폼 페인트시 처리하기 - Form_Paint(sender, e) /// <summary> /// 폼 페인트시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void Form_Paint(object sender, PaintEventArgs e) { Graphics graphics = e.Graphics; graphics.FillRectangle(Brushes.White, ClientRectangle); graphics.DrawPath(Pens.Black, graphicsPath1); graphics.DrawPath(Pens.Black, graphicsPath2); graphics.DrawRectangle(Pens.Black, rectangle3); } #endregion } } |
