Graphics.FillRectangles Method (Brush, RectangleF[])

Fills the interiors of a series of rectangles specified by RectangleF structures.

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

public void FillRectangles (
	Brush brush,
	RectangleF[] rects
public void FillRectangles (
	Brush brush, 
	RectangleF[] rects
public function FillRectangles (
	brush : Brush, 
	rects : RectangleF[]
Not applicable.



Brush that determines the characteristics of the fill.


Array of RectangleF structures that represent the rectangles to fill.

Exception typeCondition


brush is a null reference (Nothing in Visual Basic).

The following code example is designed for use with Windows Forms, and it requires PaintEventArgse, which is a parameter of the Paint event handler. The code performs the following action:

  • Creates a solid blue brush.

  • Creates an array of three rectangles.

  • Fills the three rectangular areas on the screen.

private void FillRectanglesRectangleF(PaintEventArgs e)

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

    // Create array of rectangles.
    RectangleF[] rects = { new RectangleF(0.0F, 0.0F, 100.0F, 200.0F), new RectangleF(100.0F, 200.0F, 250.0F, 50.0F), new RectangleF(300.0F, 0.0F, 50.0F, 100.0F) };

    // Fill rectangles to screen.
    e.Graphics.FillRectangles(blueBrush, rects);

Windows 98, Windows Server 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0, 1.1, 1.0

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