The external service which permits registration of an alternate implementation for a duct fitting and accessory pressure drop calculation UI.
   To use this service, programmers implement a server class that derives from IDuctFittingAndAccessoryPressureDropUIServer.
Namespace: Autodesk.Revit.DB.ExternalServiceAssembly: RevitAPI (in RevitAPI.dll) Version: 21.0.0.0 (21.1.1.109)
Syntax
| C# | 
|---|
public static ExternalServiceId DuctFittingAndAccessoryPressureDropUIService { get; } | 
| Visual Basic | 
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Public Shared ReadOnly Property DuctFittingAndAccessoryPressureDropUIService As ExternalServiceId
	Get  | 
See Also