Zooms in or out by moving the observer according to the required ratio between the new and previous viewing distances.
[Visual Basic .NET] Public Sub Zoom ( _ ByVal ratio As Double _ )
[C#] public void Zoom ( double ratio );
[C++]
HRESULT Zoom(
double ratio
);
[C++]Parameters
ratio [in] ratio is a parameter of type double
Product Availability
Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server. Requires 3D Analyst Extension.