Revit 2017 APIXYZ..::..X Property XYZ Class See Also Gets the first coordinate.Namespace: Autodesk.Revit.DBAssembly: RevitAPI (in RevitAPI.dll) Version: 17.0.0.0 (17.0.484.0)SyntaxC#public double X { get; }Visual BasicPublic ReadOnly Property X As Double GetVisual C++public: property double X { double get (); }See AlsoXYZ ClassAutodesk.Revit.DB Namespace