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BitConverter.GetBytes Method (UInt32)

Returns the specified 32-bit unsigned integer value as an array of bytes.

This API is not CLS-compliant. 

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

[CLSCompliantAttribute(false)]
public static byte[] GetBytes(
	uint value
)

Parameters

value
Type: System.UInt32

The number to convert.

Return Value

Type: System.Byte[]
An array of bytes with length 4.

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 UInt32 values to Byte arrays with the GetBytes method.

// Example of the BitConverter.GetBytes( uint ) method. 
using System;

class GetBytesUInt32Demo
{
    const string formatter = "{0,16}{1,20}";

    // Convert a uint argument to a byte array and display it. 
    public static void GetBytesUInt32( uint argument )
    {
        byte[ ] byteArray = BitConverter.GetBytes( argument );
        Console.WriteLine( formatter, argument, 
            BitConverter.ToString( byteArray ) );
    }

    public static void Main( )
    {
        Console.WriteLine( 
            "This example of the BitConverter.GetBytes( uint ) " +
            "\nmethod generates the following output.\n" );
        Console.WriteLine( formatter, "uint", "byte array" );
        Console.WriteLine( formatter, "----", "----------" );

        // Convert uint values and display the results.
        GetBytesUInt32( 15 );
        GetBytesUInt32( 1023 );
        GetBytesUInt32( 0x100000 );
        GetBytesUInt32( 1000000000 );
        GetBytesUInt32( uint.MinValue );
        GetBytesUInt32( int.MaxValue );
        GetBytesUInt32( uint.MaxValue );
    }
}

/*
This example of the BitConverter.GetBytes( uint )
method generates the following output.

            uint          byte array
            ----          ----------
              15         0F-00-00-00
            1023         FF-03-00-00
         1048576         00-00-10-00
      1000000000         00-CA-9A-3B
               0         00-00-00-00
      2147483647         FF-FF-FF-7F
      4294967295         FF-FF-FF-FF
*/

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Portable Class Library

Supported in: Portable Class Library

.NET for Windows Store apps

Supported in: Windows 8

.NET for Windows Phone apps

Supported in: Windows Phone 8.1, Windows Phone 8, Silverlight 8.1

Windows Phone 8.1, Windows Phone 8, 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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