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Color.IsKnownColor Property

Gets a value indicating whether this Color structure is a predefined color. Predefined colors are represented by the elements of the KnownColor enumeration.

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

public bool IsKnownColor { get; }

Property Value

Type: System.Boolean
true if this Color was created from a predefined color by using either the FromName method or the FromKnownColor method; otherwise, false.

This property does not do a comparison of the ARGB values. Therefore, when the IsKnownColor property is applied to a Color structure that is created by using the FromArgb method, IsKnownColor returns false, even if the ARGB value matches the ARGB value of a predefined color.

.NET Framework

Supported in: 4.5.3, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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

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