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Graphics.FillRegion Method

Fills the interior of a Region.

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

public void FillRegion (
	Brush brush,
	Region region
)
public void FillRegion (
	Brush brush, 
	Region region
)
public function FillRegion (
	brush : Brush, 
	region : Region
)
Not applicable.

Parameters

brush

Brush that determines the characteristics of the fill.

region

Region that represents the area to fill.

Exception typeCondition

ArgumentNullException

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

-or-

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

A Region is composed of rectangles and paths. If the region is not closed, an additional segment is added from the last point to the first point to close it.

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.

  • Creates a rectangular region.

  • Fills the rectangular region on the screen.

private void FillRegionRectangle(PaintEventArgs e)
{

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

    // Create rectangle for region.
    Rectangle fillRect = new Rectangle(100, 100, 200, 200);

    // Create region for fill.
    Region fillRegion = new Region(fillRect);

    // Fill region to screen.
    e.Graphics.FillRegion(blueBrush, fillRegion);
}

Windows 98, Windows Server 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, 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

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