IDuct   |  
 Calculate the duct fitting and duct accessory coefficient. 
 Namespace: Autodesk.Revit.DB.Mechanical
Assembly: RevitAPI (in RevitAPI.dll) Version: 25.0.0.0 (25.0.0.0)
Parameters
- data DuctFittingAndAccessoryPressureDropData
 - The input and output data of the calculation.
 
Return Value
BooleanTrue if calculation succeeds. False if calculation fails.