Changeset 3407 for trunk/sources/HeuristicLab.Core.Views/3.3/OperatorListView.cs

Timestamp:

04/19/10 03:28:16 (14 years ago)

Author:

swagner

Message:

Restricted types of child operators in MultiOperator (#979)

File:

• trunk/sources/HeuristicLab.Core.Views/3.3/OperatorListView.cs (modified) (3 diffs)

trunk/sources/HeuristicLab.Core.Views/3.3/OperatorListView.cs

@@ -20 +20 @@
 #endregion
 
+using System;
 using System.Windows.Forms;
 using HeuristicLab.Collections;
@@ -29 +30 @@
   [Content(typeof(IItemList<IOperator>), false)]
   public partial class OperatorListView : ItemListView<IOperator> {
-    protected TypeSelectorDialog typeSelectorDialog;
-
     /// <summary>
     /// Initializes a new instance of <see cref="VariablesScopeView"/> with caption "Variables Scope View".
@@ -53 +52 @@
       if (typeSelectorDialog == null) {
         typeSelectorDialog = new TypeSelectorDialog();
+        typeSelectorDialog.Caption = "Select Operator";
         typeSelectorDialog.TypeSelector.Caption = "Available Operators";
         typeSelectorDialog.TypeSelector.Configure(typeof(IOperator), false, false);
       }
 
-      if (typeSelectorDialog.ShowDialog(this) == DialogResult.OK)
-        return (IOperator)typeSelectorDialog.TypeSelector.CreateInstanceOfSelectedType();
-      else
-        return null;
+      if (typeSelectorDialog.ShowDialog(this) == DialogResult.OK) {
+        try {
+          return (IOperator)typeSelectorDialog.TypeSelector.CreateInstanceOfSelectedType();
+        }
+        catch (Exception ex) {
+          Auxiliary.ShowErrorMessageBox(ex);
+        }
+      }
+      return null;
     }
   }