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Graphics.ExcludeClip Method (Region)

Updates the clip region of this Graphics to exclude the area specified by a Region.

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

public void ExcludeClip(
	Region region


Type: System.Drawing.Region
Region that specifies the region to exclude from the clip region.

This method excludes the area specified by the region parameter from the current clip region and assigns the resulting area to the Clip property of this Graphics.

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 actions:

  • Creates a 100 pixel by 100 pixel rectangle whose upper-left corner is at the coordinate (100, 100).

  • Sets the clipping region to exclude the rectangle.

  • Fills a 300 pixel by 300 pixel rectangle whose upper-left corner is at the coordinate (0, 0) with a solid blue brush.

The result is a blue rectangle with a square area toward its lower-right corner missing.

public void ExcludeClipRegion(PaintEventArgs e)

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

    // Create region for exclusion.
    Region excludeRegion = new Region(excludeRect);

    // Set clipping region to exclude region.

    // Fill large rectangle to show clipping region.
    e.Graphics.FillRectangle(new SolidBrush(Color.Blue), 0, 0, 300, 300);

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.