添加项目文件。

Live-Charts-master/Core/SeriesAlgorithms/VerticalLineAlgorithm.cs

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+//The MIT License(MIT)
+
+//Copyright(c) 2016 Alberto Rodriguez & LiveCharts Contributors
+
+//Permission is hereby granted, free of charge, to any person obtaining a copy
+//of this software and associated documentation files (the "Software"), to deal
+//in the Software without restriction, including without limitation the rights
+//to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+//copies of the Software, and to permit persons to whom the Software is
+//furnished to do so, subject to the following conditions:
+
+//The above copyright notice and this permission notice shall be included in all
+//copies or substantial portions of the Software.
+
+//THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+//OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+//SOFTWARE.
+
+using LiveCharts.Defaults;
+using LiveCharts.Definitions.Series;
+
+namespace LiveCharts.SeriesAlgorithms
+{
+    /// <summary>
+    /// 
+    /// </summary>
+    /// <seealso cref="LiveCharts.SeriesAlgorithms.LineAlgorithm" />
+    /// <seealso cref="LiveCharts.Definitions.Series.ICartesianSeries" />
+    public class VerticalLineAlgorithm : LineAlgorithm, ICartesianSeries
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="VerticalLineAlgorithm"/> class.
+        /// </summary>
+        /// <param name="view">The view.</param>
+        public VerticalLineAlgorithm(ISeriesView view) : base(view)
+        {
+            SeriesOrientation = SeriesOrientation.Vertical;
+            PreferredSelectionMode = TooltipSelectionMode.SharedYValues;
+        }
+
+        double ICartesianSeries.GetMinX(AxisCore axis)
+        {
+            return AxisLimits.SeparatorMin(axis);
+        }
+
+        double ICartesianSeries.GetMaxX(AxisCore axis)
+        {
+            return AxisLimits.SeparatorMaxRounded(axis);
+        }
+
+        double ICartesianSeries.GetMinY(AxisCore axis)
+        {
+            return AxisLimits.StretchMin(axis);
+        }
+
+        double ICartesianSeries.GetMaxY(AxisCore axis)
+        {
+            return AxisLimits.StretchMax(axis);
+        }
+    }
+}