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DirectoryCatalog.Refresh Method

Refreshes the ComposablePartDefinition objects with the latest files in the directory that match the search pattern.

Namespace:  System.ComponentModel.Composition.Hosting
Assembly:  System.ComponentModel.Composition (in System.ComponentModel.Composition.dll)

public void Refresh()


The specified path has been removed.

If any files have been added they will be added to the catalog. If any files were removed, they will be removed from the catalog. For files that have been removed, the assembly cannot be unloaded from the process so ComposablePartDefinition objects for those files will just be removed from the catalog.

.NET Framework

Supported in: 4

.NET Framework Client Profile

Supported in: 4

Windows 7, Windows Vista SP1 or later, Windows XP SP3, 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.