Graphics.DrawPie Method

Definition

Namespace:

System.Drawing

Assembly:

System.Drawing.Common.dll

Draws a pie shape defined by an ellipse specified by a coordinate pair, a width, a height, and two radial lines.

Overloads

DrawPie(Pen, Rectangle, Single, Single)	Draws a pie shape defined by an ellipse specified by a Rectangle structure and two radial lines.
DrawPie(Pen, Int32, Int32, Int32, Int32, Int32, Int32)	Draws a pie shape defined by an ellipse specified by a coordinate pair, a width, a height, and two radial lines.
DrawPie(Pen, Single, Single, Single, Single, Single, Single)	Draws a pie shape defined by an ellipse specified by a coordinate pair, a width, a height, and two radial lines.
DrawPie(Pen, RectangleF, Single, Single)	Draws a pie shape defined by an ellipse specified by a RectangleF structure and two radial lines.

DrawPie(Pen, Rectangle, Single, Single)

Draws a pie shape defined by an ellipse specified by a Rectangle structure and two radial lines.

public:
 void DrawPie(System::Drawing::Pen ^ pen, System::Drawing::Rectangle rect, float startAngle, float sweepAngle);

public void DrawPie (System.Drawing.Pen pen, System.Drawing.Rectangle rect, float startAngle, float sweepAngle);

member this.DrawPie : System.Drawing.Pen * System.Drawing.Rectangle * single * single -> unit

Public Sub DrawPie (pen As Pen, rect As Rectangle, startAngle As Single, sweepAngle As Single)

Parameters

pen

Pen

Pen that determines the color, width, and style of the pie shape.

rect

Rectangle

Rectangle structure that represents the bounding rectangle that defines the ellipse from which the pie shape comes.

startAngle

Single

Angle measured in degrees clockwise from the x-axis to the first side of the pie shape.

sweepAngle

Single

Angle measured in degrees clockwise from the startAngle parameter to the second side of the pie shape.

Exceptions

ArgumentNullException

pen is null.

Examples

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 that bounds a complete ellipse.

• Defines the angles at which to start drawing (relative to the x axis) and through which to draw (both in a clockwise direction).

• Draws the pie segment to the screen.

public:
   void DrawPieRectangle( PaintEventArgs^ e )
   {
      // Create pen.
      Pen^ blackPen = gcnew Pen( Color::Black,3.0f );

      // Create rectangle for ellipse.
      Rectangle rect = Rectangle(0,0,200,100);

      // Create start and sweep angles.
      float startAngle = 0.0F;
      float sweepAngle = 45.0F;

      // Draw pie to screen.
      e->Graphics->DrawPie( blackPen, rect, startAngle, sweepAngle );
   }

public void DrawPieRectangle(PaintEventArgs e)
{
             
    // Create pen.
    Pen blackPen = new Pen(Color.Black, 3);
             
    // Create rectangle for ellipse.
    Rectangle rect = new Rectangle(0, 0, 200, 100);
             
    // Create start and sweep angles.
    float startAngle =  0.0F;
    float sweepAngle = 45.0F;
             
    // Draw pie to screen.
    e.Graphics.DrawPie(blackPen, rect, startAngle, sweepAngle);
}

Public Sub DrawPieRectangle(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)

    ' Create start and sweep angles.
    Dim startAngle As Single = 0.0F
    Dim sweepAngle As Single = 45.0F

    ' Draw pie to screen.
    e.Graphics.DrawPie(blackPen, rect, startAngle, sweepAngle)
End Sub

Remarks

This method draws a pie shape defined by an arc of an ellipse and the two radial lines that intersect with the endpoints of the arc. The ellipse is defined by the bounding rectangle. The pie shape consists of the two radial lines defined by the startAngle and sweepAngle parameters, and the arc between the intersections of those radial lines with the ellipse.

If the sweepAngle parameter is greater than 360 degrees or less than -360 degrees, it is treated as if it were 360 degrees or -360 degrees, respectively.

DrawPie(Pen, Int32, Int32, Int32, Int32, Int32, Int32)

Draws a pie shape defined by an ellipse specified by a coordinate pair, a width, a height, and two radial lines.

public:
 void DrawPie(System::Drawing::Pen ^ pen, int x, int y, int width, int height, int startAngle, int sweepAngle);

public void DrawPie (System.Drawing.Pen pen, int x, int y, int width, int height, int startAngle, int sweepAngle);

member this.DrawPie : System.Drawing.Pen * int * int * int * int * int * int -> unit

Public Sub DrawPie (pen As Pen, x As Integer, y As Integer, width As Integer, height As Integer, startAngle As Integer, sweepAngle As Integer)

Parameters

pen

Pen

Pen that determines the color, width, and style of the pie shape.

x

Int32

The x-coordinate of the upper-left corner of the bounding rectangle that defines the ellipse from which the pie shape comes.

y

Int32

The y-coordinate of the upper-left corner of the bounding rectangle that defines the ellipse from which the pie shape comes.

width

Int32

Width of the bounding rectangle that defines the ellipse from which the pie shape comes.

height

Int32

Height of the bounding rectangle that defines the ellipse from which the pie shape comes.

startAngle

Int32

Angle measured in degrees clockwise from the x-axis to the first side of the pie shape.

sweepAngle

Int32

Angle measured in degrees clockwise from the startAngle parameter to the second side of the pie shape.

Exceptions

ArgumentNullException

pen is null.

Examples

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 that bounds a complete ellipse.

• Defines the angles at which to start drawing (relative to the x axis) and through which to draw (both in a clockwise direction).

• Draws the pie shape to the screen.

public:
   void DrawPieInt( PaintEventArgs^ e )
   {
      // Create pen.
      Pen^ blackPen = gcnew Pen( Color::Black,3.0f );

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

      // Create start and sweep angles.
      int startAngle = 0;
      int sweepAngle = 45;

      // Draw pie to screen.
      e->Graphics->DrawPie( blackPen, x, y, width, height, startAngle, sweepAngle );
   }

public void DrawPieInt(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;
             
    // Create start and sweep angles.
    int startAngle =  0;
    int sweepAngle = 45;
             
    // Draw pie to screen.
    e.Graphics.DrawPie(blackPen, x, y, width, height, startAngle, sweepAngle);
}

Public Sub DrawPieInt(ByVal e As PaintEventArgs)

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

    ' Create location and size of ellipse.
    Dim x As Integer = 0
    Dim y As Integer = 0
    Dim width As Integer = 200
    Dim height As Integer = 100

    ' Create start and sweep angles.
    Dim startAngle As Integer = 0
    Dim sweepAngle As Integer = 45

    ' Draw pie to screen.
    e.Graphics.DrawPie(blackPen, x, y, width, height, _
    startAngle, sweepAngle)
End Sub

Remarks

This method draws a pie shape defined by an arc of an ellipse and the two radial lines that intersect with the endpoints of the arc. The ellipse is defined by the bounding rectangle described by the x, y, width, and height parameters. The pie shape consists of the two radial lines defined by the startAngle and sweepAngle parameters, and the arc between the intersections of those radial lines with the ellipse.

If the sweepAngle parameter is greater than 360 degrees or less than -360 degrees, it is treated as if it were 360 degrees or -360 degrees, respectively.

DrawPie(Pen, Single, Single, Single, Single, Single, Single)

Draws a pie shape defined by an ellipse specified by a coordinate pair, a width, a height, and two radial lines.

public:
 void DrawPie(System::Drawing::Pen ^ pen, float x, float y, float width, float height, float startAngle, float sweepAngle);

public void DrawPie (System.Drawing.Pen pen, float x, float y, float width, float height, float startAngle, float sweepAngle);

member this.DrawPie : System.Drawing.Pen * single * single * single * single * single * single -> unit

Public Sub DrawPie (pen As Pen, x As Single, y As Single, width As Single, height As Single, startAngle As Single, sweepAngle As Single)

Parameters

pen

Pen

Pen that determines the color, width, and style of the pie shape.

x

Single

The x-coordinate of the upper-left corner of the bounding rectangle that defines the ellipse from which the pie shape comes.

y

Single

The y-coordinate of the upper-left corner of the bounding rectangle that defines the ellipse from which the pie shape comes.

width

Single

Width of the bounding rectangle that defines the ellipse from which the pie shape comes.

height

Single

Height of the bounding rectangle that defines the ellipse from which the pie shape comes.

startAngle

Single

Angle measured in degrees clockwise from the x-axis to the first side of the pie shape.

sweepAngle

Single

Angle measured in degrees clockwise from the startAngle parameter to the second side of the pie shape.

Exceptions

ArgumentNullException

pen is null.

Examples

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 that bounds a complete ellipse.

• Defines the angles at which to start drawing (relative to the x axis) and through which to draw (both in a clockwise direction).

• Draws the pie segment to the screen.

public:
   void DrawPieFloat( 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;

      // Create start and sweep angles.
      float startAngle = 0.0F;
      float sweepAngle = 45.0F;

      // Draw pie to screen.
      e->Graphics->DrawPie( blackPen, x, y, width, height, startAngle, sweepAngle );
   }

public void DrawPieFloat(PaintEventArgs e)
{
             
    // Create pen.
    Pen blackPen = new Pen(Color.Black, 3);
             
    // Create location and size of ellipse.
    float x = 0.0F;
    float y = 0.0F;
    float width = 200.0F;
    float height = 100.0F;
             
    // Create start and sweep angles.
    float startAngle =  0.0F;
    float sweepAngle = 45.0F;
             
    // Draw pie to screen.
    e.Graphics.DrawPie(blackPen, x, y, width, height, startAngle, sweepAngle);
}

Public Sub DrawPieFloat(ByVal e As PaintEventArgs)

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

    ' Create location and size of ellipse.
    Dim x As Single = 0.0F
    Dim y As Single = 0.0F
    Dim width As Single = 200.0F
    Dim height As Single = 100.0F

    ' Create start and sweep angles.
    Dim startAngle As Single = 0.0F
    Dim sweepAngle As Single = 45.0F

    ' Draw pie to screen.
    e.Graphics.DrawPie(blackPen, x, y, width, height, _
    startAngle, sweepAngle)
End Sub

Remarks

This method draws a pie shape defined by an arc of an ellipse and the two radial lines that intersect with the endpoints of the arc. The ellipse is defined by the bounding rectangle described by the x, y, width, and height parameters. The pie shape consists of the two radial lines defined by the startAngle and sweepAngle parameters, and the arc between the intersections of those radial lines with the ellipse.

If the sweepAngle parameter is greater than 360 degrees or less than -360 degrees, it is treated as if it were 360 degrees or -360 degrees, respectively.

DrawPie(Pen, RectangleF, Single, Single)

Draws a pie shape defined by an ellipse specified by a RectangleF structure and two radial lines.

public:
 void DrawPie(System::Drawing::Pen ^ pen, System::Drawing::RectangleF rect, float startAngle, float sweepAngle);

public void DrawPie (System.Drawing.Pen pen, System.Drawing.RectangleF rect, float startAngle, float sweepAngle);

member this.DrawPie : System.Drawing.Pen * System.Drawing.RectangleF * single * single -> unit

Public Sub DrawPie (pen As Pen, rect As RectangleF, startAngle As Single, sweepAngle As Single)

Parameters

pen

Pen

Pen that determines the color, width, and style of the pie shape.

rect

RectangleF

RectangleF structure that represents the bounding rectangle that defines the ellipse from which the pie shape comes.

startAngle

Single

Angle measured in degrees clockwise from the x-axis to the first side of the pie shape.

sweepAngle

Single

Angle measured in degrees clockwise from the startAngle parameter to the second side of the pie shape.

Exceptions

ArgumentNullException

pen is null.

Examples

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 that bounds a complete ellipse.

• Defines the angles at which to start drawing (relative to the x axis) and through which to draw (both in a clockwise direction).

• Draws the pie segment to the screen.

public:
   void DrawPieRectangleF( PaintEventArgs^ e )
   {
      // Create pen.
      Pen^ blackPen = gcnew Pen( Color::Black,3.0f );

      // Create rectangle for ellipse.
      RectangleF rect = RectangleF(0.0F,0.0F,200.0F,100.0F);

      // Create start and sweep angles.
      float startAngle = 0.0F;
      float sweepAngle = 45.0F;

      // Draw pie to screen.
      e->Graphics->DrawPie( blackPen, rect, startAngle, sweepAngle );
   }

public void DrawPieRectangleF(PaintEventArgs e)
{
             
    // Create pen.
    Pen blackPen = new Pen(Color.Black, 3);
             
    // Create rectangle for ellipse.
    RectangleF rect = new RectangleF(0.0F, 0.0F, 200.0F, 100.0F);
             
    // Create start and sweep angles.
    float startAngle =  0.0F;
    float sweepAngle = 45.0F;
             
    // Draw pie to screen.
    e.Graphics.DrawPie(blackPen, rect, startAngle, sweepAngle);
}

Public Sub DrawPieRectangleF(ByVal e As PaintEventArgs)

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

    ' Create rectangle for ellipse.
    Dim rect As New RectangleF(0.0F, 0.0F, 200.0F, 100.0F)

    ' Create start and sweep angles.
    Dim startAngle As Single = 0.0F
    Dim sweepAngle As Single = 45.0F

    ' Draw pie to screen.
    e.Graphics.DrawPie(blackPen, rect, startAngle, sweepAngle)
End Sub

Remarks

This method draws a pie shape defined by an arc of an ellipse and the two radial lines that intersect with the endpoints of the arc. The ellipse is defined by the bounding rectangle. The pie shape consists of the two radial lines defined by the startAngle and sweepAngle parameters, and the arc between the intersections of those radial lines with the ellipse.

If the sweepAngle parameter is greater than 360 degrees or less than -360 degrees, it is treated as if it were 360 degrees or -360 degrees, respectively.