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Color.FromArgb Method

Creates a new Color structure by using the specified sRGB alpha channel and color channel values.

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

'Declaration
Public Shared Function FromArgb ( _
	a As Byte, _
	r As Byte, _
	g As Byte, _
	b As Byte _
) As Color

Parameters

a
Type: System.Byte

The alpha channel, A, of the new color.

r
Type: System.Byte

The red channel, R, of the new color.

g
Type: System.Byte

The green channel, G, of the new color.

b
Type: System.Byte

The blue channel, B, of the new color.

Return Value

Type: System.Windows.Media.Color
A Color structure with the specified values.

The FromArgb method allows you to specify the alpha channel; the FromRgb method uses a default value of 255 for the alpha channel.

The alpha channel of a color determines the amount of transparency of the color. An alpha value of 255 indicates that the color is completely opaque, and a value of 0 indicates that the color is completely transparent.

		Private Function FromArgbExample() As Color
			' Create a blue color using the FromArgb static method.
			Dim myArgbColor As New Color()
			myArgbColor = Color.FromArgb(255, 0, 255, 0)
			Return myArgbColor
		End Function

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1
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