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ActivityDesigner.PreFilterAttributes Method

When overridden in a derived class, it allows a designer to add items to the set of attributes that it exposes through a TypeDescriptor.

Namespace:  System.Workflow.ComponentModel.Design
Assembly:  System.Workflow.ComponentModel (in System.Workflow.ComponentModel.dll)

protected virtual void PreFilterAttributes(
	IDictionary attributes


Type: System.Collections.IDictionary

The IDictionary that contains the TypeID values of the attributes.

Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003

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

.NET Framework

Supported in: 3.5, 3.0