diff --git a/MapControl/Shared/MapBase.cs b/MapControl/Shared/MapBase.cs
index cbd1ffb8..c5cddb4a 100644
--- a/MapControl/Shared/MapBase.cs
+++ b/MapControl/Shared/MapBase.cs
@@ -374,7 +374,7 @@ namespace MapControl
             }
         }
 
-        internal bool InsideViewport(Point point)
+        internal bool InsideViewBounds(Point point)
             => point.X >= 0d && point.Y >= 0d && point.X <= ActualWidth && point.Y <= ActualHeight;
 
         internal double CoerceLongitude(double longitude)
diff --git a/MapControl/Shared/MapPanel.cs b/MapControl/Shared/MapPanel.cs
index ae8c56c2..8cd67b0c 100644
--- a/MapControl/Shared/MapPanel.cs
+++ b/MapControl/Shared/MapPanel.cs
@@ -192,7 +192,7 @@ namespace MapControl
             var position = parentMap.LocationToView(location);
 
             if (parentMap.MapProjection.Type <= MapProjectionType.NormalCylindrical &&
-                position.HasValue && !parentMap.InsideViewport(position.Value))
+                position.HasValue && !parentMap.InsideViewBounds(position.Value))
             {
                 var coercedPosition = parentMap.LocationToView(
                     new Location(location.Latitude, parentMap.CoerceLongitude(location.Longitude)));
@@ -225,7 +225,7 @@ namespace MapControl
             var projection = parentMap.MapProjection;
 
             if (projection.Type <= MapProjectionType.NormalCylindrical &&
-                !parentMap.InsideViewport(position))
+                !parentMap.InsideViewBounds(position))
             {
                 var location = projection.MapToLocation(center);
 
@@ -261,7 +261,7 @@ namespace MapControl
 
                 if (GetAutoCollapse(element))
                 {
-                    SetVisible(element, position.HasValue && parentMap.InsideViewport(position.Value));
+                    SetVisible(element, position.HasValue && parentMap.InsideViewBounds(position.Value));
                 }
 
                 if (position.HasValue)
diff --git a/MapControl/Shared/MapPath.cs b/MapControl/Shared/MapPath.cs
index 309df5f8..ad65d4be 100644
--- a/MapControl/Shared/MapPath.cs
+++ b/MapControl/Shared/MapPath.cs
@@ -84,7 +84,7 @@ namespace MapControl
             {
                 var position = parentMap.LocationToView(location);
 
-                if (position.HasValue && !parentMap.InsideViewport(position.Value))
+                if (position.HasValue && !parentMap.InsideViewBounds(position.Value))
                 {
                     longitudeOffset = parentMap.CoerceLongitude(location.Longitude) - location.Longitude;
                 }