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Graphics.FillClosedCurve Method (Brush, Point[])

Fills the interior of a closed cardinal spline curve defined by an array of Point structures.

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

public void FillClosedCurve(
	Brush brush,
	Point[] points
)

Parameters

brush
Type: System.Drawing.Brush

Brush that determines the characteristics of the fill.

points
Type: System.Drawing.Point[]

Array of Point structures that define the spline.

ExceptionCondition
ArgumentNullException

brush is null.

-or-

points is null.

This method fills the interior of a closed cardinal spline that passes through each point in the array. If the last point does not match the first point, an additional curve segment is added from the last point to the first point to close it.

The array of points must contain at least four Point structures.

This method uses a default tension of 0.5.

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 solid red brush.

  • Creates an array of four points to define a spline.

  • Fills the curve on the screen.

The curve has a default tension of 0.5.

public void FillClosedCurvePoint(PaintEventArgs e)
{

    // Create solid brush.
    SolidBrush redBrush = new SolidBrush(Color.Red);

    //Create array of points for curve.
    Point point1 = new Point(100, 100);
    Point point2 = new Point(200,  50);
    Point point3 = new Point(250, 200);
    Point point4 = new Point(50, 150);
    Point[] points = {point1, point2, point3, point4};

    // Fill curve on screen.
    e.Graphics.FillClosedCurve(redBrush, points);
}

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.

.NET Framework

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

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