Determines whether the mouse pointer is inside or out of circle.
          ui          gdi          collision-detection          circle          mouse-pointer          circle-collision          gdi-plus          hit-detection          proximity-detection          inside-or-out          squared-distance          squared-euclidean-distance          inside-circle          squared-radius          in-or-out          efficient-hit-detection          circle-hit-detection      
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            Updated
            Sep 2, 2025 
- Visual Basic .NET