The snap tolerance, measured in pixels or map units.
[Visual Basic .NET] Public Property SnapTolerance As Double
[C#] public double SnapTolerance {get; set;}
Product Availability
Available with ArcGIS Desktop.
Remarks
SnapTolerance this property is the size of the region bounding the input point location. It is given as a radius, measured in pixels, and the search for a potential snap point candidate is made within this region.