BinaryReader.ReadUInt64 Method

Reference

Definition

Namespace:: System.IO

Assemblies:: mscorlib.dll, System.IO.dll

Assemblies:: netstandard.dll, System.Runtime.dll

Assembly:: System.IO.dll

Assembly:: System.Runtime.Extensions.dll

Assembly:: mscorlib.dll

Assembly:: netstandard.dll

Source:: BinaryReader.cs

Source:: BinaryReader.cs

Source:: BinaryReader.cs

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

Important

This API is not CLS-compliant.

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

public:
 virtual System::UInt64 ReadUInt64();

[System.CLSCompliant(false)]
public virtual ulong ReadUInt64();

[<System.CLSCompliant(false)>]
abstract member ReadUInt64 : unit -> uint64
override this.ReadUInt64 : unit -> uint64

Public Overridable Function ReadUInt64 () As ULong

Returns

UInt64

An 8-byte unsigned integer read from this stream.

Attributes: CLSCompliantAttribute

Exceptions

EndOfStreamException

The end of the stream is reached.

IOException

An I/O error occurred.

ObjectDisposedException

The stream is closed.

Remarks

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.

Applies to

Product	Versions
.NET	Core 1.0, Core 1.1, Core 2.0, Core 2.1, Core 2.2, Core 3.0, Core 3.1, 5, 6, 7, 8, 9, 10
.NET Framework	1.1, 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1
.NET Standard	1.0, 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 2.0, 2.1
UWP	10.0

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