The zoom percent (100 means 1:1, 200 means twice the normal size). .
[Visual Basic .NET] Public ReadOnly Property ZoomPercent As Double
[C#] public double ZoomPercent {get;}
Product Availability
Available with ArcGIS Desktop. Requires Publisher Extension.
Description
The ZoomPercent property indicates the current zoom factor used to view the ARPageLayout'. A ZoomPercent of 100 means viewing the ARPageLayout at a scale of 1:1, whilst a ZoomPercent of 200 means viewing the ARPageLayout at twice the normal size. To view the ARPageLayout at a specific percentage use the ZoomToPercent method.