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BinaryReader.ReadUInt64 Method

Reads an 8-byte unsigned integer from the current stream and advances the position of the stream by eight bytes.

This API is not CLS-compliant. 

Namespace:  System.IO
Assembly:  mscorlib (in mscorlib.dll)
[CLSCompliantAttribute(false)]
public virtual ulong ReadUInt64()

Return Value

Type: System.UInt64
An 8-byte unsigned integer read from this stream.
ExceptionCondition
EndOfStreamException

The end of the stream is reached.

IOException

An I/O error occurs.

ObjectDisposedException

The stream is closed.

BinaryReader does not restore the file position after an unsuccessful read.

BinaryReader reads this data type in little-endian format.

For a list of common I/O tasks, see Common I/O Tasks.

.NET Framework

Supported in: 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

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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