Changeset 8736

Timestamp:

10/04/12 13:02:24 (11 years ago)

Author:

gkronber

Message:

#1962: fixed bug in the view that caused a unit test fail.

File:

• trunk/sources/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression.Views/3.4/InteractiveSymbolicRegressionSolutionSimplifierView.cs (modified) (1 diff)

trunk/sources/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression.Views/3.4/InteractiveSymbolicRegressionSolutionSimplifierView.cs

@@ -124 +124 @@
     protected override void OnModelChanged() {
       base.OnModelChanged();
-      btnOptimizeConstants.Enabled =
-        SymbolicRegressionConstantOptimizationEvaluator.CanOptimizeConstants(Content.Model.SymbolicExpressionTree);
+      if (Content != null)
+        btnOptimizeConstants.Enabled =
+          SymbolicRegressionConstantOptimizationEvaluator.CanOptimizeConstants(Content.Model.SymbolicExpressionTree);
+      else
+        btnOptimizeConstants.Enabled = false;
     }
     protected override void OnContentChanged() {
       base.OnContentChanged();
       base.OnModelChanged();
-      btnOptimizeConstants.Enabled =
-        SymbolicRegressionConstantOptimizationEvaluator.CanOptimizeConstants(Content.Model.SymbolicExpressionTree);
+      if (Content != null)
+        btnOptimizeConstants.Enabled =
+          SymbolicRegressionConstantOptimizationEvaluator.CanOptimizeConstants(Content.Model.SymbolicExpressionTree);
+      else
+        btnOptimizeConstants.Enabled = false;
     }