Graphics.FillRectangle Method (Brush, Rectangle)

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

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

public void FillRectangle (
	Brush brush,
	Rectangle rect
public void FillRectangle (
	Brush brush, 
	Rectangle rect
public function FillRectangle (
	brush : Brush, 
	rect : Rectangle
Not applicable.



Brush that determines the characteristics of the fill.


Rectangle structure that represents the rectangle to fill.

Exception typeCondition


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

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 PaintEventArgse, 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 FillRectangleRectangle(PaintEventArgs e)

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

    // Create rectangle.
    Rectangle rect = new Rectangle(0, 0, 200, 200);

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

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

.NET Compact Framework

Supported in: 2.0, 1.0