Changeset 4295

Timestamp:

08/23/10 17:34:24 (14 years ago)

Author:

mkommend

Message:

Added null check before event registration (ticket #1028).

File:

• trunk/sources/HeuristicLab.Problems.DataAnalysis/3.3/DataAnalysisProblemData.cs (modified) (1 diff)

trunk/sources/HeuristicLab.Problems.DataAnalysis/3.3/DataAnalysisProblemData.cs

@@ -247 +247 @@
     }
     private void TargetVariableParameter_ValueChanged(object sender, EventArgs e) {
-      RegisterStringValueEventHandlers(TargetVariable);
-      if (TargetVariable != null) OnProblemDataChanged(EventArgs.Empty);
+      if (TargetVariable != null) {
+        RegisterStringValueEventHandlers(TargetVariable);
+        OnProblemDataChanged(EventArgs.Empty);
+      }
     }
     private void TrainingSamplesStartParameter_ValueChanged(object sender, EventArgs e) {