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Graphics.DrawEllipse Method (Pen, Rectangle)

Draws an ellipse specified by a bounding Rectangle structure.

Namespace:  System.Drawing
Assembly:  System.Drawing (in System.Drawing.dll)

'Declaration
Public Sub DrawEllipse ( _
	pen As Pen, _
	rect As Rectangle _
)

Parameters

pen
Type: System.Drawing.Pen

Pen that determines the color, width, and style of the ellipse.

rect
Type: System.Drawing.Rectangle

Rectangle structure that defines the boundaries of the ellipse.

ExceptionCondition
ArgumentNullException

pen is Nothing.

This method draws an ellipse that is defined by the bounding rectangle specified by the rect parameter.

The following code example is designed for use with Windows Forms, and it requires PaintEventArgs e, which is a parameter of the Paint event handler. The code performs the following actions:

  • Creates a black pen.

  • Creates a rectangle to bound an ellipse.

  • Draws the ellipse to the screen.

Private Sub DrawEllipseRectangle(ByVal e As PaintEventArgs)

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

    ' Create rectangle for ellipse. 
    Dim rect As New Rectangle(0, 0, 200, 100)

    ' Draw ellipse to screen.
    e.Graphics.DrawEllipse(blackPen, rect)
End Sub

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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