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Graphics.DrawEllipse Method (Pen, Int32, Int32, Int32, Int32)

Draws an ellipse defined by a bounding rectangle specified by a pair of coordinates, a height, and a width.

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

public void DrawEllipse(
	Pen pen,
	int x,
	int y,
	int width,
	int height
)

Parameters

pen
Type: System.Drawing.Pen

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

x
Type: System.Int32

The x-coordinate of the upper-left corner of the bounding rectangle that defines the ellipse.

y
Type: System.Int32

The y-coordinate of the upper-left corner of the bounding rectangle that defines the ellipse.

width
Type: System.Int32

Width of the bounding rectangle that defines the ellipse.

height
Type: System.Int32

Height of the bounding rectangle that defines the ellipse.

ExceptionCondition
ArgumentNullException

pen is null.

This method draws an ellipse that is defined by the bounding rectangle described by the x, y, width, and height parameters.

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 the position and size of a rectangle to bound an ellipse.

  • Draws the ellipse to the screen.

private void DrawEllipseInt(PaintEventArgs e)
{
    // Create pen.
    Pen blackPen = new Pen(Color.Black, 3);

    // Create location and size of ellipse. 
    int x = 0;
    int y = 0;
    int width = 200;
    int height = 100;

    // Draw ellipse to screen.
    e.Graphics.DrawEllipse(blackPen, x, y, width, height);
}

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98, Windows CE, Windows Mobile for Smartphone, Windows Mobile for Pocket PC

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

.NET Framework

Supported in: 3.5, 3.0, 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 3.5, 2.0, 1.0

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