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PortfolioManager/ViewModels/BollingerBandViewModel.cs

@@ -102,17 +102,21 @@ namespace PortfolioManager.ViewModels
       private CompositeDataSource compositeDataSourceTradePoints = null;
 
       private BollingerBands bollingerBands;
-
-      public BollingerBandViewModel(bool loadedFromParams = false)
+      
+      public BollingerBandViewModel()
       {
-//        CartesianLineSeriesView ch = new CartesianLineSeriesView();
-      CartesianPointSeriesView ch = new CartesianPointSeriesView();
-
-
         InitializeDataSources();
         PropertyChanged += OnViewModelPropertyChanged;
         DisplayName = "Bollinger";
-        Initialize(loadedFromParams ? false : true);
+        Initialize(true);
+      }
+
+      public BollingerBandViewModel(bool loadedFromParams = false)
+      {
+        InitializeDataSources();
+        PropertyChanged += OnViewModelPropertyChanged;
+        DisplayName = "Bollinger";
+        Initialize(false);
       }
 
       protected override void OnDispose()
@@ -229,7 +233,7 @@ namespace PortfolioManager.ViewModels
         }
         set
         {
-          if (String.IsNullOrEmpty(selectedSymbol))
+          if (String.IsNullOrEmpty(value))
           {
             return;
           }