Stream.CanSeek Property (System.IO)

.NET Framework Class Library

Stream..::.CanSeek Property

When overridden in a derived class, gets a value indicating whether the current stream supports seeking.

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

Public MustOverride ReadOnly Property CanSeek As Boolean

public abstract bool CanSeek { get; }

public:
virtual property bool CanSeek {
	bool get () abstract;
}

abstract CanSeek : bool

Property Value

Type: System..::.Boolean
true if the stream supports seeking; otherwise, false.

Remarks

If a class derived from Stream does not support seeking, calls to Length, SetLength, Position, and Seek throw a NotSupportedException.

If the stream is closed, this property returns false.

Version Information

.NET Framework

Supported in: 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

Platforms

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

Reference

Stream Class

System.IO Namespace

Other Resources

File and Stream I/O

How to: Read Text from a File

How to: Write Text to a File