BitConverter.GetBytes returns double-precision floating point value as an array of bytes.
Imports System Imports Microsoft.VisualBasic Module GetBytesDoubleDemo Sub GetBytesDouble( argument As Double ) Dim byteArray As Byte( ) = BitConverter.GetBytes( argument ) Console.WriteLine(BitConverter.ToString( byteArray ) ) End Sub Sub Main( ) GetBytesDouble( 0.0 ) End Sub End Module