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Color.ToKnownColor Method

Gets the KnownColor value of this Color structure.

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

public KnownColor ToKnownColor()

Return Value

Type: System.Drawing.KnownColor
An element of the KnownColor enumeration, if the Color is created from a predefined color by using either the FromName method or the FromKnownColor method; otherwise, 0.

A predefined color is also called a known color and is represented by an element of the KnownColor enumeration. When the ToKnownColor method is applied to a Color structure that is created by using the FromArgb method, ToKnownColor returns 0, even if the ARGB value matches the ARGB value of a predefined color. ToKnownColor also returns 0 when it is applied to a Color structure that is created by using the FromName method with a string name that is not valid.

.NET Framework

Supported in: 4.6, 4.5, 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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