修复调用UpdateDataName()接口时不会自动刷新的问题

Examples/Runtime/Example31_PieUpdateName.cs

@@ -0,0 +1,69 @@
+/******************************************/
+/*                                        */
+/*     Copyright (c) 2018 monitor1394     */
+/*     https://github.com/monitor1394     */
+/*                                        */
+/******************************************/
+
+using UnityEngine;
+using UnityEngine.UI;
+
+namespace XCharts.Examples
+{
+    [DisallowMultipleComponent]
+    [ExecuteInEditMode]
+    public class Example31_PieUpdateName : MonoBehaviour
+    {
+        PieChart chart;
+        int count = 0;
+
+        void Awake()
+        {
+            chart = gameObject.GetComponent<PieChart>();
+            if (chart == null)
+            {
+                chart = gameObject.AddComponent<PieChart>();
+            }
+            var serieIndex = 0;
+            var serie = chart.series.GetSerie(serieIndex);
+            if (serie == null) return;
+            serie.label.show = true;
+            serie.label.position = SerieLabel.Position.Outside;
+        }
+
+        void Update()
+        {
+            if (Input.GetKeyDown(KeyCode.Space))
+            {
+                if (count % 2 == 0) ResetSameName();
+                else UpdateDataName();
+                count++;
+            }
+        }
+
+        void UpdateDataName()
+        {
+            var serieIndex = 0;
+            var serie = chart.series.GetSerie(serieIndex);
+            if (serie == null) return;
+            for (int i = 0; i < serie.dataCount; i++)
+            {
+                var value = Random.Range(10, 100);
+                chart.UpdateData(serieIndex, i, value);
+                chart.UpdateDataName(serieIndex, i, "value=" + value);
+            }
+        }
+
+        void ResetSameName()
+        {
+            var serieIndex = 0;
+            var serie = chart.series.GetSerie(serieIndex);
+            if (serie == null) return;
+            for (int i = 0; i < serie.dataCount; i++)
+            {
+                chart.UpdateDataName(serieIndex, i, "piename");
+            }
+            chart.themeInfo.SetAllDirty();
+        }
+    }
+}