Index: /trunk/sources/HeuristicLab.ExtLibs/HeuristicLab.Netron/3.0.2672.12446/Netron.Diagramming.Core-3.0.2672.12446/Layout/StandardTreeLayout.cs
===================================================================
--- /trunk/sources/HeuristicLab.ExtLibs/HeuristicLab.Netron/3.0.2672.12446/Netron.Diagramming.Core-3.0.2672.12446/Layout/StandardTreeLayout.cs	(revision 3775)
+++ /trunk/sources/HeuristicLab.ExtLibs/HeuristicLab.Netron/3.0.2672.12446/Netron.Diagramming.Core-3.0.2672.12446/Layout/StandardTreeLayout.cs	(revision 3776)
@@ -157,5 +157,5 @@
             Graph.MakeSpanningTree(LayoutRoot as INode);
 
-            Trace.WriteLine((LayoutRoot as INode).ChildCount);
+            //Trace.WriteLine((LayoutRoot as INode).ChildCount);
 
             if (Graph.SpanningTree == null)
@@ -281,5 +281,5 @@
         private void firstWalk(INode n, int num, int depth)
         {
-            Trace.WriteLine("depthj: " + depth);
+            //Trace.WriteLine("depthj: " + depth);
             Params np = Pars[n.Uid.ToString()];
 
Index: /trunk/sources/HeuristicLab.Optimizer/3.3/ChartControlsWarning.Designer.cs
===================================================================
--- /trunk/sources/HeuristicLab.Optimizer/3.3/ChartControlsWarning.Designer.cs	(revision 3776)
+++ /trunk/sources/HeuristicLab.Optimizer/3.3/ChartControlsWarning.Designer.cs	(revision 3776)
@@ -0,0 +1,127 @@
+﻿#region License Information
+/* HeuristicLab
+ * Copyright (C) 2002-2010 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
+ *
+ * This file is part of HeuristicLab.
+ *
+ * HeuristicLab is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * HeuristicLab is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
+ */
+#endregion
+namespace HeuristicLab.Optimizer {
+  partial class ChartControlsWarning {
+    /// <summary>
+    /// Required designer variable.
+    /// </summary>
+    private System.ComponentModel.IContainer components = null;
+
+    /// <summary>
+    /// Clean up any resources being used.
+    /// </summary>
+    /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
+    protected override void Dispose(bool disposing) {
+      if (disposing && (components != null)) {
+        components.Dispose();
+      }
+      base.Dispose(disposing);
+    }
+
+    #region Windows Form Designer generated code
+
+    /// <summary>
+    /// Required method for Designer support - do not modify
+    /// the contents of this method with the code editor.
+    /// </summary>
+    private void InitializeComponent() {
+      this.messageTextBox = new System.Windows.Forms.TextBox();
+      this.iconLabel = new System.Windows.Forms.Label();
+      this.okButton = new System.Windows.Forms.Button();
+      this.linkLabel = new System.Windows.Forms.LinkLabel();
+      this.SuspendLayout();
+      // 
+      // messageTextBox
+      // 
+      this.messageTextBox.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left)
+                  | System.Windows.Forms.AnchorStyles.Right)));
+      this.messageTextBox.BackColor = System.Drawing.SystemColors.Control;
+      this.messageTextBox.BorderStyle = System.Windows.Forms.BorderStyle.None;
+      this.messageTextBox.Font = new System.Drawing.Font("Microsoft Sans Serif", 8.25F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
+      this.messageTextBox.Location = new System.Drawing.Point(39, 12);
+      this.messageTextBox.Multiline = true;
+      this.messageTextBox.Name = "messageTextBox";
+      this.messageTextBox.ReadOnly = true;
+      this.messageTextBox.Size = new System.Drawing.Size(284, 27);
+      this.messageTextBox.TabIndex = 3;
+      this.messageTextBox.Text = "Microsoft Chart Controls are not properly installed. Please download and install " +
+          "them.";
+      // 
+      // iconLabel
+      // 
+      this.iconLabel.Image = HeuristicLab.Common.Resources.VS2008ImageLibrary.Warning;
+      this.iconLabel.Location = new System.Drawing.Point(12, 17);
+      this.iconLabel.Name = "iconLabel";
+      this.iconLabel.Size = new System.Drawing.Size(21, 22);
+      this.iconLabel.TabIndex = 1;
+      // 
+      // okButton
+      // 
+      this.okButton.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
+      this.okButton.DialogResult = System.Windows.Forms.DialogResult.OK;
+      this.okButton.Location = new System.Drawing.Point(248, 41);
+      this.okButton.Name = "okButton";
+      this.okButton.Size = new System.Drawing.Size(75, 23);
+      this.okButton.TabIndex = 6;
+      this.okButton.Text = "&OK";
+      this.okButton.UseVisualStyleBackColor = true;
+      // 
+      // linkLabel
+      // 
+      this.linkLabel.AutoSize = true;
+      this.linkLabel.Location = new System.Drawing.Point(36, 42);
+      this.linkLabel.Name = "linkLabel";
+      this.linkLabel.Size = new System.Drawing.Size(141, 13);
+      this.linkLabel.TabIndex = 9;
+      this.linkLabel.TabStop = true;
+      this.linkLabel.Text = "MS Chart Controls download";
+      this.linkLabel.LinkClicked += new System.Windows.Forms.LinkLabelLinkClickedEventHandler(this.linkLabel_LinkClicked);
+      // 
+      // ChartControlsWarning
+      // 
+      this.AcceptButton = this.okButton;
+      this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
+      this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+      this.ClientSize = new System.Drawing.Size(335, 70);
+      this.Controls.Add(this.linkLabel);
+      this.Controls.Add(this.okButton);
+      this.Controls.Add(this.iconLabel);
+      this.Controls.Add(this.messageTextBox);
+      this.Icon = HeuristicLab.Common.Resources.HeuristicLab.Icon;
+      this.MaximizeBox = false;
+      this.MinimizeBox = false;
+      this.Name = "ChartControlsWarning";
+      this.ShowInTaskbar = false;
+      this.StartPosition = System.Windows.Forms.FormStartPosition.CenterParent;
+      this.Text = "Warning";
+      this.ResumeLayout(false);
+      this.PerformLayout();
+
+    }
+
+    #endregion
+
+    private System.Windows.Forms.TextBox messageTextBox;
+    private System.Windows.Forms.Label iconLabel;
+    private System.Windows.Forms.Button okButton;
+    private System.Windows.Forms.LinkLabel linkLabel;
+  }
+}
Index: /trunk/sources/HeuristicLab.Optimizer/3.3/ChartControlsWarning.cs
===================================================================
--- /trunk/sources/HeuristicLab.Optimizer/3.3/ChartControlsWarning.cs	(revision 3776)
+++ /trunk/sources/HeuristicLab.Optimizer/3.3/ChartControlsWarning.cs	(revision 3776)
@@ -0,0 +1,44 @@
+﻿#region License Information
+/* HeuristicLab
+ * Copyright (C) 2002-2010 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
+ *
+ * This file is part of HeuristicLab.
+ *
+ * HeuristicLab is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * HeuristicLab is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
+ */
+#endregion
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Data;
+using System.Drawing;
+using System.Linq;
+using System.Text;
+using System.Windows.Forms;
+
+namespace HeuristicLab.Optimizer {
+  public partial class ChartControlsWarning : Form {
+    public ChartControlsWarning() {
+      InitializeComponent();
+    }
+
+    private void linkLabel_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e) {
+      try {
+        System.Diagnostics.Process.Start("http://www.microsoft.com/downloads/details.aspx?familyid=130F7986-BF49-4FE5-9CA8-910AE6EA442C&displaylang=en");
+        linkLabel.LinkVisited = true;
+      }
+      catch (Exception) { }
+    }
+  }
+}
Index: /trunk/sources/HeuristicLab.Optimizer/3.3/HeuristicLab.Optimizer-3.3.csproj
===================================================================
--- /trunk/sources/HeuristicLab.Optimizer/3.3/HeuristicLab.Optimizer-3.3.csproj	(revision 3775)
+++ /trunk/sources/HeuristicLab.Optimizer/3.3/HeuristicLab.Optimizer-3.3.csproj	(revision 3776)
@@ -87,4 +87,10 @@
     <None Include="HeuristicLabOptimizerPlugin.cs.frame" />
     <Compile Include="FileManager.cs" />
+    <Compile Include="ChartControlsWarning.cs">
+      <SubType>Form</SubType>
+    </Compile>
+    <Compile Include="ChartControlsWarning.Designer.cs">
+      <DependentUpon>ChartControlsWarning.cs</DependentUpon>
+    </Compile>
     <Compile Include="MenuItems\ClipboardMenuItem.cs" />
     <Compile Include="MenuItems\AboutMenuItem.cs" />
Index: /trunk/sources/HeuristicLab.Optimizer/3.3/OptimizerMainForm.cs
===================================================================
--- /trunk/sources/HeuristicLab.Optimizer/3.3/OptimizerMainForm.cs	(revision 3775)
+++ /trunk/sources/HeuristicLab.Optimizer/3.3/OptimizerMainForm.cs	(revision 3776)
@@ -30,4 +30,5 @@
 using HeuristicLab.MainForm;
 using HeuristicLab.MainForm.WindowsForms;
+using System.IO;
 
 namespace HeuristicLab.Optimizer {
@@ -86,4 +87,28 @@
         StartPage startPage = new StartPage();
         startPage.Show();
+      }
+    }
+
+    private static string CHARTCONTROLASSEMBLY = "12System.Windows.Forsms.DataVisualization, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35";
+    private bool CheckChartControls() {
+      try {
+        Assembly chartControlsAssembly = Assembly.Load(CHARTCONTROLASSEMBLY);
+        if (chartControlsAssembly != null)
+          return true;
+      }
+      catch (FileNotFoundException) {
+      }
+      catch (FileLoadException) {
+      }
+      catch (BadImageFormatException) {
+      }
+      return false;
+    }
+
+    protected override void OnShown(EventArgs e) {
+      base.OnShown(e);
+      if (!CheckChartControls()) {
+        ChartControlsWarning dlg = new ChartControlsWarning();
+        dlg.ShowDialog(this);
       }
     }
