ArcGIS Pro 3.3 API Reference Guide
ArcGIS.Desktop.Mapping Namespace / Layer Class / MinScale Property

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    MinScale Property (Layer)
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    Gets the layer's minimum scale (representative fraction) at which the layer is visible in a 2D map view.
    public double MinScale {get;}
    Public ReadOnly Property MinScale As Double
    You need to use GetEffectiveMinScale method, if you want to find out the effective minimum scale considering visibility scale ranges of all its parent group layers up in the hierarchy.

    Target Platforms: Windows 11, Windows 10

    ArcGIS Pro version: 3 or higher.
    See Also