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IDesignerFilter.PreFilterEvents Method

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

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

void PreFilterEvents(
	IDictionary events
)

Parameters

events
Type: System.Collections.IDictionary
The EventDescriptor objects that represent the events of the class of the component. The keys in the dictionary of events are event names.

This method provides a way to add items to the dictionary of events that a designer exposes through a TypeDescriptor.

The keys in the dictionary of events are the names of the events. The objects are of type EventDescriptor. This method is called immediately before PostFilterEvents.

Notes to Implementers

You can directly modify the dictionary that is accessible through the events parameter, or you can leave it unchanged. If you are overriding this method, call the base implementation before you perform your own filtering.

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, 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.

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