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PackagePart.CompressionOption Property

Gets the compression option of the part content stream.

Namespace:  System.IO.Packaging
Assembly:  WindowsBase (in WindowsBase.dll)

public CompressionOption CompressionOption { get; }

Property Value

Type: System.IO.Packaging.CompressionOption
The compression option of the part content stream.


The part has been deleted.


The Package is not open (Dispose or Close has been called).

CompressionOption is a read-only property that can be accessed only when the parent Package is open.

The CompressionOption property is automatically set by the PackagePart constructor. After it is set by the constructor, the CompressionOption cannot be changed.

.NET Framework

Supported in: 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later)

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