Graphics.FillRectangles Method (Brush, Rectangle[])


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

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

public void FillRectangles(
	Brush brush,
	Rectangle[] rects


Type: System.Drawing.Brush

Brush that determines the characteristics of the fill.

Type: System.Drawing.Rectangle[]

Array of Rectangle structures that represent the rectangles to fill.

Exception Condition

brush is null.


rects is null.


rects is a zero-length array.

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 an array of three rectangles.

  • Fills the three rectangular areas on the screen.

private void FillRectanglesRectangle(PaintEventArgs e)

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

    // Create array of rectangles.
    Rectangle[] rects = { new Rectangle(0, 0, 100, 200), new Rectangle(100, 200, 250, 50), new Rectangle(300, 0, 50, 100) };

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

.NET Framework
Available since 1.1
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