Graphics.DrawLine Method (Pen, PointF, PointF)
.NET Framework 3.0
Draws a line connecting two PointF structures.
Namespace: System.Drawing
Assembly: System.Drawing (in system.drawing.dll)
Assembly: System.Drawing (in system.drawing.dll)
public void DrawLine ( Pen pen, PointF pt1, PointF pt2 )
public function DrawLine ( pen : Pen, pt1 : PointF, pt2 : PointF )
Not applicable.
Parameters
- pen
Pen that determines the color, width, and style of the line.
- pt1
PointF structure that represents the first point to connect.
- pt2
PointF structure that represents the second point to connect.
The following code example is designed for use with Windows Forms, and it requires PaintEventArgse, which is a parameter of the Paint event handler. The code performs the following actions:
-
Creates a black pen.
-
Creates points for the endpoints of the line.
-
Draws the line to the screen.
public: void DrawLinePointF( PaintEventArgs^ e ) { // Create pen. Pen^ blackPen = gcnew Pen( Color::Black,3.0f ); // Create points that define line. PointF point1 = PointF(100.0F,100.0F); PointF point2 = PointF(500.0F,100.0F); // Draw line to screen. e->Graphics->DrawLine( blackPen, point1, point2 ); }
public void DrawLinePointF(PaintEventArgs e)
{
// Create pen.
Pen blackPen = new Pen(Color.get_Black(), 3);
// Create points that define line.
PointF point1 = new PointF(100, 100);
PointF point2 = new PointF(500, 100);
// Draw line to screen.
e.get_Graphics().DrawLine(blackPen, point1, point2);
} //DrawLinePointF
Windows 98, Windows Server 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition
The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.Community Additions
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