增加AxisLabel和SerieLabel的formatter委托方法 #145

Runtime/Internal/Interface/DelegateFunction.cs

@@ -0,0 +1,28 @@
+
+/************************************************/
+/*                                              */
+/*     Copyright (c) 2018 - 2021 monitor1394    */
+/*     https://github.com/monitor1394           */
+/*                                              */
+/************************************************/
+
+namespace XCharts
+{
+    /// <summary>
+    /// The delegate function for AxisLabel's formatter. |
+    /// AxisLabel的formatter自定义委托。
+    /// </summary>
+    /// <param name="labelIndex">label索引</param>
+    /// <param name="value">当前label对应的数值数据，Value轴或Time轴有效</param>
+    /// <param name="category">当前label对应的类目数据，Category轴有效</param>
+    /// <returns>最终显示的文本内容</returns>
+    public delegate string DelegateAxisLabelFormatter(int labelIndex, float value, string category);
+    /// <summary>
+    /// The delegate function for SerieLabel‘s formatter.
+    /// SerieLabel的formatter自定义委托。
+    /// </summary>
+    /// <param name="dataIndex">数据索引</param>
+    /// <param name="value">数值</param>
+    /// <returns>最终显示的文本内容</returns>
+    public delegate string DelegateSerieLabelFormatter(int dataIndex, float value);
+}