Solved issue #8: New series are now shown in the legends even if not …

…refreshed
sinairv · Jan 1, 2012 · 4ac09a3 · 4ac09a3
1 parent 7cf887d
commit 4ac09a3
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Showing 4 changed files with 18 additions and 2 deletions.
diff --git a/Bin/MSChartWrapper.UI.exe b/Bin/MSChartWrapper.UI.exe
diff --git a/Bin/MSChartWrapper.dll b/Bin/MSChartWrapper.dll
diff --git a/MSChartWrapper.UI/FormMain.cs b/MSChartWrapper.UI/FormMain.cs
@@ -6,7 +6,7 @@ namespace MSChartWrapper.UI
 {
     public partial class FormMain : Form
     {
-        private const int ArraySize = 10;
+        private const int ArraySize = 20;
 
         private static readonly Random s_rnd = new Random();
         private int m_numCharts = 1;

diff --git a/MSChartWrapper/ChartWrapper.cs b/MSChartWrapper/ChartWrapper.cs
@@ -243,7 +243,7 @@ public bool LegendVisible
                     {
                         mainChart.Legends.Add(name);
                     }
-
+                    
                     mainChart.ChartAreas[0].Position.Width = 80.0f;
                 }
 
@@ -368,6 +368,10 @@ public void AddColumnPlot<T>(string name, string[] labels, T[] values)
             for (int i = 0; i < labels.Length; i++)
                 curSeries.Points.AddXY(labels[i], values[i]);
 
+            // this will force the empty legend to show the initial plot
+            if (m_isLegendVisible && m_seriesNames.Count == 1)
+                mainChart.Legends.Add(serName);
+
             if (m_seriesNames.Count > 1)
             {
                 AddSideLegend(serName);
@@ -388,6 +392,7 @@ public void AddLinePlot(string name, double[] values)
 
             string serName = name;
             Series curSeries = mainChart.Series.Add(serName);
+
             curSeries.LegendText = serName;
             m_seriesNames.Add(serName);
             curSeries.ChartType = SeriesChartType.FastLine;
@@ -426,6 +431,17 @@ public void AddLinePlot(string name, double[] values)
                     for (int i = 0; i < values.Length; i += markerFreq)
                         ptSeriesPoints.AddXY(i + 1, values[i]);
                 }
+                ptSeries.IsVisibleInLegend = true;
+
+                // this will force the empty legend to show the initial plot
+                if (m_isLegendVisible && m_seriesNames.Count == 1)
+                    mainChart.Legends.Add(serName);
+            }
+            else
+            {
+                // this will force the empty legend to show the initial plot
+                if (m_isLegendVisible && m_seriesNames.Count == 1)
+                    mainChart.Legends.Add(serName);
             }
 
             if (m_seriesNames.Count > 1)