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AssemblyCatalog Constructor (String)

Initializes a new instance of the AssemblyCatalog class with the specified code base.

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

public AssemblyCatalog(
	string codeBase


Type: System.String

A string that specifies the code base of the assembly (that is, the path to the assembly file) that contains the attributed Type objects to add to the AssemblyCatalog object.


codeBase is not a valid assembly.


Version 2.0 or earlier of the common language runtime is currently loaded and codeBase was compiled with a later version.


The caller does not have path discovery permission.


codeBase could not be loaded.


codeBase specified a directory.


codeBase is null.


codeBase is not found.


codeBase is a zero-length string, contains only white space, or contains one or more invalid characters as defined by InvalidPathChars.


The specified path, file name, or both exceed the system-defined maximum length.

The assembly referenced by codeBase is loaded into the load context.

.NET Framework

Supported in: 4.5, 4

.NET Framework Client Profile

Supported in: 4

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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

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