BitConverter.GetBytes Method (Double)
.NET Framework (current version)
Returns the specified double-precision floating point value as an array of bytes.
Assembly: mscorlib (in mscorlib.dll)
Parameters
- value
-
Type:
System.Double
The number to convert.
The order of bytes in the array returned by the GetBytes method depends on whether the computer architecture is little-endian or big-endian.
The following code example converts the bit patterns of Double values to Byte arrays with the GetBytes method.
' Example of the BitConverter.GetBytes( Double ) method. Imports System Imports Microsoft.VisualBasic Module GetBytesDoubleDemo Const formatter As String = "{0,25:E16}{1,30}" ' Convert a Double argument to a Byte array and display it. Sub GetBytesDouble( argument As Double ) Dim byteArray As Byte( ) = BitConverter.GetBytes( argument ) Console.WriteLine( formatter, argument, _ BitConverter.ToString( byteArray ) ) End Sub Sub Main( ) Console.WriteLine( _ "This example of the BitConverter.GetBytes( Double ) " & _ vbCrLf & "method generates the following " & _ "output." & vbCrLf ) Console.WriteLine( formatter, "Double", "Byte array" ) Console.WriteLine( formatter, "------", "----------" ) ' Convert Double values and display the results. GetBytesDouble( 0.0 ) GetBytesDouble( 1.0 ) GetBytesDouble( 255.0 ) GetBytesDouble( 4294967295.0 ) GetBytesDouble( 0.00390625 ) GetBytesDouble( 0.00000000023283064365386962890625 ) GetBytesDouble( 1.23456789012345E-300 ) GetBytesDouble( 1.2345678901234565 ) GetBytesDouble( 1.2345678901234567 ) GetBytesDouble( 1.2345678901234569 ) GetBytesDouble( 1.23456789012345678E+300 ) GetBytesDouble( Double.MinValue ) GetBytesDouble( Double.MaxValue ) GetBytesDouble( Double.Epsilon ) GetBytesDouble( Double.NaN ) GetBytesDouble( Double.NegativeInfinity ) GetBytesDouble( Double.PositiveInfinity ) End Sub End Module ' This example of the BitConverter.GetBytes( Double ) ' method generates the following output. ' ' Double Byte array ' ------ ---------- ' 0.0000000000000000E+000 00-00-00-00-00-00-00-00 ' 1.0000000000000000E+000 00-00-00-00-00-00-F0-3F ' 2.5500000000000000E+002 00-00-00-00-00-E0-6F-40 ' 4.2949672950000000E+009 00-00-E0-FF-FF-FF-EF-41 ' 3.9062500000000000E-003 00-00-00-00-00-00-70-3F ' 2.3283064365386963E-010 00-00-00-00-00-00-F0-3D ' 1.2345678901234500E-300 DF-88-1E-1C-FE-74-AA-01 ' 1.2345678901234565E+000 FA-59-8C-42-CA-C0-F3-3F ' 1.2345678901234567E+000 FB-59-8C-42-CA-C0-F3-3F ' 1.2345678901234569E+000 FC-59-8C-42-CA-C0-F3-3F ' 1.2345678901234569E+300 52-D3-BB-BC-E8-7E-3D-7E ' -1.7976931348623157E+308 FF-FF-FF-FF-FF-FF-EF-FF ' 1.7976931348623157E+308 FF-FF-FF-FF-FF-FF-EF-7F ' 4.9406564584124654E-324 01-00-00-00-00-00-00-00 ' NaN 00-00-00-00-00-00-F8-FF ' -Infinity 00-00-00-00-00-00-F0-FF ' Infinity 00-00-00-00-00-00-F0-7F
Universal Windows Platform
Available since 8
.NET Framework
Available since 1.1
Portable Class Library
Supported in: portable .NET platforms
Silverlight
Available since 2.0
Windows Phone Silverlight
Available since 7.0
Windows Phone
Available since 8.1
Available since 8
.NET Framework
Available since 1.1
Portable Class Library
Supported in: portable .NET platforms
Silverlight
Available since 2.0
Windows Phone Silverlight
Available since 7.0
Windows Phone
Available since 8.1
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