AForge.Controls.Chart.UpdateYRange C# (CSharp) Method

        private void UpdateYRange( )
        {
            float minY = float.MaxValue;
            float maxY = float.MinValue;

            // walk through all data series
            foreach ( KeyValuePair<string, DataSeries> kvp in seriesTable )
            {
                DataSeries series = kvp.Value;
                // get data of the series
                double[,] data = series.data;

                if ( ( series.updateYRange ) && ( data != null ) )
                {
                    for ( int i = 0, n = data.GetLength( 0 ); i < n; i++ )
                    {
                        if ( rangeX.IsInside( (float) data[i, 0] ) )
                        {
                            float v = (float) data[i, 1];

                            // check for max
                            if ( v > maxY )
                                maxY = v;
                            // check for min
                            if ( v < minY )
                                minY = v;
                        }
                    }
                }
            }

            // update Y range, if there are any data
            if ( ( minY != double.MaxValue ) || ( maxY != double.MinValue ) )
            {
                rangeY = new Range( minY, maxY );
            }
        }
    }