Graphics::DrawEllipse Method (Pen, Single, Single, Single, Single)
Draws an ellipse defined by a bounding rectangle specified by a pair of coordinates, a height, and a width.
Assembly: System.Drawing (in System.Drawing.dll)
Parameters
- pen
- Type: System.Drawing::Pen
Pen that determines the color, width, and style of the ellipse.
- x
- Type: System::Single
The x-coordinate of the upper-left corner of the bounding rectangle that defines the ellipse.
- y
- Type: System::Single
The y-coordinate of the upper-left corner of the bounding rectangle that defines the ellipse.
- width
- Type: System::Single
Width of the bounding rectangle that defines the ellipse.
- height
- Type: System::Single
Height of the bounding rectangle that defines the ellipse.
| Exception | Condition |
|---|---|
| ArgumentNullException | pen is nullptr. |
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 DrawEllipseFloat( PaintEventArgs^ e ) { // Create pen. Pen^ blackPen = gcnew Pen( Color::Black,3.0f ); // Create location and size of ellipse. float x = 0.0F; float y = 0.0F; float width = 200.0F; float height = 100.0F; // 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
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.