GraphicsPath.ClearMarkers Metode

Definisi

Ruang nama:

System.Drawing.Drawing2D

Rakitan:

System.Drawing.Common.dll

Paket:

System.Drawing.Common v9.0.0-preview.6.24327.6

Sumber:

GraphicsPath.cs

Menghapus semua penanda dari jalur ini.

public:
 void ClearMarkers();

public void ClearMarkers ();

member this.ClearMarkers : unit -> unit

Public Sub ClearMarkers ()

Contoh

Contoh kode berikut dirancang untuk digunakan dengan Windows Forms, dan memerlukan PaintEventArgse, objek peristiwa OnPaint. Kode melakukan tindakan berikut:

• Membuat jalur.

• Menambahkan beberapa objek ke jalur.

• Menambahkan penanda ke jalur.

• Menghapus semua penanda dari jalur.

• Menggambar jalur ke layar.

private:
   void ClearMarkersExample( PaintEventArgs^ e )
   {
      // Set several markers in a path.
      GraphicsPath^ myPath = gcnew GraphicsPath;
      myPath->AddEllipse( 0, 0, 100, 200 );
      myPath->SetMarkers();
      myPath->AddLine( Point(100,100), Point(200,100) );
      Rectangle rect = Rectangle(200,0,100,200);
      myPath->AddRectangle( rect );
      myPath->SetMarkers();
      myPath->AddLine( Point(250,200), Point(250,300) );
      myPath->SetMarkers();

      // Clear the markers.
      myPath->ClearMarkers();

      // Draw the path to the screen.
      Pen^ myPen = gcnew Pen( Color::Black,2.0f );
      e->Graphics->DrawPath( myPen, myPath );
   }

private void ClearMarkersExample(PaintEventArgs e)
{
             
    // Set several markers in a path.
    GraphicsPath myPath = new GraphicsPath();
    myPath.AddEllipse(0, 0, 100, 200);
    myPath.SetMarkers();
    myPath.AddLine(new Point(100, 100), new Point(200, 100));
    Rectangle rect = new Rectangle(200, 0, 100, 200);
    myPath.AddRectangle(rect);
    myPath.SetMarkers();
    myPath.AddLine(new Point(250, 200), new Point(250, 300));
    myPath.SetMarkers();
             
    // Clear the markers.
    myPath.ClearMarkers();
             
    // Draw the path to the screen.
    Pen myPen = new Pen(Color.Black, 2);
    e.Graphics.DrawPath(myPen, myPath);
}

Public Sub ClearMarkersExample(ByVal e As PaintEventArgs)

    ' Set several markers in a path.
    Dim myPath As New GraphicsPath
    myPath.AddEllipse(0, 0, 100, 200)
    myPath.SetMarkers()
    myPath.AddLine(New Point(100, 100), New Point(200, 100))
    Dim rect As New Rectangle(200, 0, 100, 200)
    myPath.AddRectangle(rect)
    myPath.SetMarkers()
    myPath.AddLine(New Point(250, 200), New Point(250, 300))
    myPath.SetMarkers()

    ' Clear the markers.
    myPath.ClearMarkers()

    ' Draw the path to the screen.
    Dim myPen As New Pen(Color.Black, 2)
    e.Graphics.DrawPath(myPen, myPath)
End Sub

Keterangan

Gunakan metode SetMarkers untuk membuat penanda di lokasi saat ini di GraphicsPath. Gunakan metode NextMarker untuk melakukan iterasi melalui penanda yang ada di jalur.

Penanda digunakan untuk memisahkan grup subpath. Satu atau beberapa subpath dapat dimuat di antara dua penanda.