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AddInStore.FindAddIns Method (Type, PipelineStoreLocation)

Finds all add-ins for a specified host view of the add-in at a location specified by the PipelineStoreLocation enumeration value.

Namespace:  System.AddIn.Hosting
Assembly:  System.AddIn (in System.AddIn.dll)

public static Collection<AddInToken> FindAddIns(
	Type hostViewOfAddIn,
	PipelineStoreLocation location


Type: System.Type
The type that defines the host's view of the add-in.
Type: System.AddIn.Hosting.PipelineStoreLocation
The host application's base directory.

Return Value

Type: System.Collections.ObjectModel.Collection<AddInToken>
A collection of tokens that represent the add-ins that were found.


There is an access violation to the pipeline directory structure.


location is an invalid PipelineStoreLocation value.

The PipelineStoreLocation enumeration currently contains only the ApplicationBase value, which points to the host's application base directory.

The following example finds add-ins at the location specified by the PipelineStoreLocation enumeration.

// Search for add-ins of type Calculator (the host view of the add-in)
// specifying the host's application base, instead of a path,
// for the FindAddIns method.

Collection<AddInToken> tokens = 

.NET Framework

Supported in: 4, 3.5

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

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.