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| ArcObjects Help for .NET developers > ArcObjects namespaces > Geometry > ESRI.ArcGIS.Geometry > Interfaces > IT > ITransformation3D Interface > ITransformation3D.PreMultiply Method (ArcObjects .NET 10.5 SDK) | 
Pre-multiplies the transformation by another transformation.
[Visual Basic .NET] Public Sub PreMultiply ( _ ByVal preTransform As ITransformation3D _ )
[C#] public void PreMultiply ( ITransformation3D preTransform );
[C++]
HRESULT PreMultiply(
  ITransformation3D* preTransform
);
[C++]
Parameters preTransform
preTransform is a parameter of type ITransformation3D