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PointLightBase.ConstantAttenuation Property

Gets or sets a constant value by which the intensity of the light diminishes over distance.

Namespace: System.Windows.Media.Media3D
Assembly: PresentationCore (in presentationcore.dll)
XML Namespace:

public double ConstantAttenuation { get; set; }
/** @property */
public double get_ConstantAttenuation ()

/** @property */
public void set_ConstantAttenuation (double value)

public function get ConstantAttenuation () : double

public function set ConstantAttenuation (value : double)

<object ConstantAttenuation="double" .../>

Property Value

Double by which the intensity of the light diminishes over distance.

The following example sets this property in code.

public MyLights()
    for (int i = 0; i < nbrDirLights; i++)
        _dirLight[i] = new DirectionalLight();
        _dirLight[i].Color = _dirLightColor[i];
        _dirLight[i].Direction = _dirVector[i];

    _ptLight.Position = new Point3D(-3, -7, 10);
    _ptLight.Color = Brushes.White.Color;
    _ptLight.Range = 15.0;
    _ptLight.ConstantAttenuation = 3.0;

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