Graphics.DrawPolygon Metode

Definisi

Ruang nama:

System.Drawing

Rakitan:

System.Drawing.Common.dll

Paket:

System.Drawing.Common v9.0.0-preview.7.24405.4

Menggambar poligon yang ditentukan oleh array struktur Point.

Overload

DrawPolygon(Pen, Point[])	Menggambar poligon yang ditentukan oleh array struktur Point.
DrawPolygon(Pen, PointF[])	Menggambar poligon yang ditentukan oleh array struktur PointF.

DrawPolygon(Pen, Point[])

Sumber:

Graphics.cs

Menggambar poligon yang ditentukan oleh array struktur Point.

public:
 void DrawPolygon(System::Drawing::Pen ^ pen, ... cli::array <System::Drawing::Point> ^ points);

public void DrawPolygon (System.Drawing.Pen pen, params System.Drawing.Point[] points);

member this.DrawPolygon : System.Drawing.Pen * System.Drawing.Point[] -> unit

Public Sub DrawPolygon (pen As Pen, ParamArray points As Point())

Parameter

pen

Pen

Pen yang menentukan warna, lebar, dan gaya poligon.

points

Point[]

Array struktur Point yang mewakili simpul poligon.

Pengecualian

ArgumentNullException

pen null.

Contoh

Contoh kode berikut dirancang untuk digunakan dengan Windows Forms, dan memerlukan PaintEventArgse, yang merupakan parameter penanganan aktivitas Paint. Kode melakukan tindakan berikut:

• Membuat pena hitam.

• Membuat array tujuh titik untuk simpul poligon.

• Menggambar poligon ke layar.

public:
   void DrawPolygonPoint( PaintEventArgs^ e )
   {
      // Create pen.
      Pen^ blackPen = gcnew Pen( Color::Black,3.0f );

      // Create points that define polygon.
      Point point1 = Point(50,50);
      Point point2 = Point(100,25);
      Point point3 = Point(200,5);
      Point point4 = Point(250,50);
      Point point5 = Point(300,100);
      Point point6 = Point(350,200);
      Point point7 = Point(250,250);
      array<Point>^ curvePoints = {point1,point2,point3,point4,point5,point6,point7};

      // Draw polygon to screen.
      e->Graphics->DrawPolygon( blackPen, curvePoints );
   }

public void DrawPolygonPoint(PaintEventArgs e)
{
             
    // Create pen.
    Pen blackPen = new Pen(Color.Black, 3);
             
    // Create points that define polygon.
    Point point1 = new Point(50,  50);
    Point point2 = new Point(100,  25);
    Point point3 = new Point(200,   5);
    Point point4 = new Point(250,  50);
    Point point5 = new Point(300, 100);
    Point point6 = new Point(350, 200);
    Point point7 = new Point(250, 250);
    Point[] curvePoints =
             {
                 point1,
                 point2,
                 point3,
                 point4,
                 point5,
                 point6,
                 point7
             };
             
    // Draw polygon to screen.
    e.Graphics.DrawPolygon(blackPen, curvePoints);
}

Public Sub DrawPolygonPoint(ByVal e As PaintEventArgs)

    ' Create pen.
    Dim blackPen As New Pen(Color.Black, 3)

    ' Create points that define polygon.
    Dim point1 As New Point(50, 50)
    Dim point2 As New Point(100, 25)
    Dim point3 As New Point(200, 5)
    Dim point4 As New Point(250, 50)
    Dim point5 As New Point(300, 100)
    Dim point6 As New Point(350, 200)
    Dim point7 As New Point(250, 250)
    Dim curvePoints As Point() = {point1, point2, point3, point4, _
    point5, point6, point7}

    ' Draw polygon to screen.
    e.Graphics.DrawPolygon(blackPen, curvePoints)
End Sub

Keterangan

Setiap pasangan dua titik berturut-turut dalam array menentukan sisi poligon. Selain itu, jika titik terakhir dan titik pertama array tidak bertepatan, mereka menentukan sisi terakhir poligon.

DrawPolygon(Pen, PointF[])

Sumber:

Graphics.cs

Menggambar poligon yang ditentukan oleh array struktur PointF.

public:
 void DrawPolygon(System::Drawing::Pen ^ pen, ... cli::array <System::Drawing::PointF> ^ points);

public void DrawPolygon (System.Drawing.Pen pen, params System.Drawing.PointF[] points);

member this.DrawPolygon : System.Drawing.Pen * System.Drawing.PointF[] -> unit

Public Sub DrawPolygon (pen As Pen, ParamArray points As PointF())

Parameter

pen

Pen

Pen yang menentukan warna, lebar, dan gaya poligon.

points

PointF[]

Array struktur PointF yang mewakili simpul poligon.

Pengecualian

ArgumentNullException

pen null.

-atau-

points null.

Contoh

Contoh kode berikut dirancang untuk digunakan dengan Windows Forms, dan memerlukan PaintEventArgse, yang merupakan parameter penanganan aktivitas Paint. Kode melakukan tindakan berikut:

• Membuat pena hitam.

• Membuat array tujuh titik untuk simpul poligon.

• Menggambar poligon ke layar.

public:
   void DrawPolygonPointF( PaintEventArgs^ e )
   {
      // Create pen.
      Pen^ blackPen = gcnew Pen( Color::Black,3.0f );

      // Create points that define polygon.
      PointF point1 = PointF(50.0F,50.0F);
      PointF point2 = PointF(100.0F,25.0F);
      PointF point3 = PointF(200.0F,5.0F);
      PointF point4 = PointF(250.0F,50.0F);
      PointF point5 = PointF(300.0F,100.0F);
      PointF point6 = PointF(350.0F,200.0F);
      PointF point7 = PointF(250.0F,250.0F);
      array<PointF>^ curvePoints = {point1,point2,point3,point4,point5,point6,point7};

      // Draw polygon curve to screen.
      e->Graphics->DrawPolygon( blackPen, curvePoints );
   }

public void DrawPolygonPointF(PaintEventArgs e)
{
             
    // Create pen.
    Pen blackPen = new Pen(Color.Black, 3);
             
    // Create points that define polygon.
    PointF point1 = new PointF(50.0F,  50.0F);
    PointF point2 = new PointF(100.0F,  25.0F);
    PointF point3 = new PointF(200.0F,   5.0F);
    PointF point4 = new PointF(250.0F,  50.0F);
    PointF point5 = new PointF(300.0F, 100.0F);
    PointF point6 = new PointF(350.0F, 200.0F);
    PointF point7 = new PointF(250.0F, 250.0F);
    PointF[] curvePoints =
             {
                 point1,
                 point2,
                 point3,
                 point4,
                 point5,
                 point6,
                 point7
             };
             
    // Draw polygon curve to screen.
    e.Graphics.DrawPolygon(blackPen, curvePoints);
}

Public Sub DrawPolygonPointF(ByVal e As PaintEventArgs)

    ' Create pen.
    Dim blackPen As New Pen(Color.Black, 3)

    ' Create points that define polygon.
    Dim point1 As New PointF(50.0F, 50.0F)
    Dim point2 As New PointF(100.0F, 25.0F)
    Dim point3 As New PointF(200.0F, 5.0F)
    Dim point4 As New PointF(250.0F, 50.0F)
    Dim point5 As New PointF(300.0F, 100.0F)
    Dim point6 As New PointF(350.0F, 200.0F)
    Dim point7 As New PointF(250.0F, 250.0F)
    Dim curvePoints As PointF() = {point1, point2, point3, point4, _
    point5, point6, point7}

    ' Draw polygon curve to screen.
    e.Graphics.DrawPolygon(blackPen, curvePoints)
End Sub

Keterangan

Setiap pasangan dua titik berturut-turut dalam array menentukan sisi poligon. Selain itu, jika titik terakhir dan titik array pertama tidak bertepatan, titik tersebut menentukan sisi terakhir poligon.