RequireExtension Method (Type)
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ActivityMetadata.RequireExtension Method (Type)

.NET Framework (current version)

Specifies that the activity requires an extension of the specified type at runtime.

Namespace:   System.Activities
Assembly:  System.Activities (in System.Activities.dll)

public void RequireExtension(
	Type extensionType


Type: System.Type

The type of the extension.

If the host fails to provide an extension of the specified type, validation fails.

.NET Framework
Available since 4.0
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