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Graphics.FillRectangle Method (Brush, RectangleF)

Fills the interior of a rectangle specified by a RectangleF structure.

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

public void FillRectangle(
	Brush brush,
	RectangleF rect
)

Parameters

brush
Type: System.Drawing.Brush

Brush that determines the characteristics of the fill.

rect
Type: System.Drawing.RectangleF

RectangleF structure that represents the rectangle to fill.

ExceptionCondition
ArgumentNullException

brush is null.

This method fills the interior of the rectangle defined by the rect parameter, including the specified upper-left corner and up to the calculated lower and bottom edges.

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 action:

  • Creates a solid blue brush.

  • Creates a rectangle.

  • Fills the rectangular area on the screen.

private void FillRectangleRectangleF(PaintEventArgs e)
{

    // Create solid brush.
    SolidBrush blueBrush = new SolidBrush(Color.Blue);

    // Create rectangle.
    RectangleF rect = new RectangleF(0.0F, 0.0F, 200.0F, 200.0F);

    // Fill rectangle to screen.
    e.Graphics.FillRectangle(blueBrush, rect);
}

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1

.NET Framework Client Profile

Supported in: 4, 3.5 SP1
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