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IDesignerLoaderService Interface

Provides an interface that can extend a designer loader to support asynchronous loading of external components.

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

public interface IDesignerLoaderService
public interface IDesignerLoaderService
public interface IDesignerLoaderService
Not applicable.

A DesignerLoader can implement this interface to manage designer loading that involves external components. This interface also allows external components to initiate a reload of the design surface by calling Reload. A designer loader does not have to implement this interface if it does not require support for asynchronous loading.

Designer loading using a custom implementation of the IDesignerLoaderService can occur in a variety of ways. Sometimes external components are involved in the loading process. To facilitate loading with external dependencies, the designer loader service interface provides a mechanism that determines when loading is complete and allows each portion of loading to signal that it has completed. The IDesignerLoaderService typically determines when loading is complete by testing a counter that tracks the number of load dependencies remaining. When each portion of the load completes, DependentLoadComplete is called, and the service decrements the counter. To set the number of dependent load processes, call AddLoadDependency once for each load process that calls DependentLoadComplete when its loading is complete. When the final loading is complete, the service calls EndLoad on the loader host.

Windows 98, Windows Server 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0, 1.1, 1.0

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