Packed vector type containing a single 8 bit normalized W value in the range of 0 to 1.
Namespace: Microsoft.Xna.Framework.Graphics.PackedVector
Assembly: Microsoft.Xna.Framework (in microsoft.xna.framework.dll)
public struct Alpha8 : IPackedVector<byte>, IEquatable<Alpha8>
Reference
Xbox 360, Windows XP SP2, Windows Vista, Zune