ToUInt64 Method

BitConverter.ToUInt64 Method

Returns a 64-bit unsigned integer converted from eight bytes at a specified position in a byte array.

This method is not CLS-compliant. For more information about CLS compliance, see What is the Common Language Specification.

[Visual Basic]
<CLSCompliant(False)>
Public Shared Function ToUInt64( _
   ByVal value() As Byte, _
   ByVal startIndex As Integer _
) As UInt64
[C#]
[CLSCompliant(false)]
public static ulong ToUInt64(
 byte[] value,
 int startIndex
);
[C++]
[CLSCompliant(false)]
public: static unsigned __int64 ToUInt64(
 unsigned char value __gc[],
 int startIndex
);
[JScript]
public
   CLSCompliant(false)
static function ToUInt64(
 value : Byte[],
 startIndex : int
) : UInt64;

Parameters

value
An array of bytes.
startIndex
The starting position within value.

Return Value

A 64-bit unsigned integer formed by the eight bytes beginning at startIndex.

Exceptions

Exception Type Condition
ArgumentNullException value is a null reference (Nothing in Visual Basic).
ArgumentOutOfRangeException startIndex is less than zero or greater than the length of value minus 8.

Requirements

Platforms: Windows 98, Windows NT 4.0, Windows Millennium Edition, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows Server 2003 family, .NET Compact Framework

See Also

BitConverter Class | BitConverter Members | System Namespace | UInt64

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