Was this page helpful?
Your feedback about this content is important. Let us know what you think.
Additional feedback?
1500 characters remaining
Export (0) Print
Expand All

MemoryStream.Capacity Property

Gets or sets the number of bytes allocated for this stream.

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

public virtual int Capacity { get; set; }

Property Value

Type: System.Int32
The length of the usable portion of the buffer for the stream.

ExceptionCondition
ArgumentOutOfRangeException

A capacity is set that is negative or less than the current length of the stream.

ObjectDisposedException

The current stream is closed.

NotSupportedException

set is invoked on a stream whose capacity cannot be modified.

Capacity is the buffer length for system-provided byte arrays. Capacity cannot be set to a value less than the current length of the stream.

This code example is part of a larger example provided for the MemoryStream class.

// Write the stream properties to the console.
Console.WriteLine(
    "Capacity = {0}, Length = {1}, Position = {2}\n",
    memStream.Capacity.ToString(),
    memStream.Length.ToString(),
    memStream.Position.ToString());

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

XNA Framework

Supported in: 3.0, 2.0, 1.0

.NET for Windows Phone apps

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

Portable Class Library

Supported in: Portable Class Library
Show:
© 2015 Microsoft