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Posted 4 Mar 2008

A WPF Graph Control Library

, 24 Apr 2008
An article presenting a WPF library for producing extensible runtime customisable graphs
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;

//                                                                              //
// Author:  Derek Bartram                                                       //
// Date:    23/01/2008                                                          //
// Version: 1.000                                                               //
// Website:                                      //
// Email:                                       //
//                                                                              //
// This code is provided on a free to use and/or modify basis for personal work //
// provided that this banner remains in each of the source code files that is   //
// found in the original source. For any publicically available work (source    //
// and/or binaries 'Derek Bartram' and '' must be //
// credited in both the user documentation, source code (where applicable), and //
// in the user interface (typically Help > About would be appropiate). Please   //
// also contact myself via the provided email address to let me know where and  //
// what my code is being used for; this helps me provide better solutions for   //
// all.                                                                         //
//                                                                              //
// including not-for-profit work, without prior consent.                        //
//                                                                              //
// This agreement overrides any other agreements made by any other parties. By  //
// using, viewing, linking, or compiling the included source or binaries you    //
// agree to the terms and conditions as set out here and in any included (if    //
// applicable) license.txt. For commercial licensing please see the web address //
// above or contact myself via email. Thank you.                                //
//                                                                              //
// Please contact me at the above email for further help, information,          //
// comments, suggestions, licensing, or feature requests. Thank you.            //
//                                                                              //
//                                                                              //

namespace DNBSoft.WPF.WPFGraph
    /// <summary>
    /// Interaction logic for WPFGraphConfigurationDoubleProperty.xaml
    /// </summary>
    public partial class WPFGraphConfigurationDoubleProperty : UserControl
        private IWPFGraphParameterSet target;
        private String name;
        private double value;
        private String lastValue = null;
        private IWPFGraph graph = null;
        private WPFSeriesConfigurationWindow.UpdatePreviewDelegate updatePreview;

        public WPFGraphConfigurationDoubleProperty(IWPFGraph graph, IWPFGraphParameterSet target, 
            String name, WPFSeriesConfigurationWindow.UpdatePreviewDelegate updatePreview)

            this.graph = graph;
   = target;
   = name;
            this.value = double.Parse(target.getValue(name).ToString());
            lastValue = value.ToString();
            this.updatePreview = updatePreview;

            nameLabel.Content = name;
            valueTextBox.Text = value.ToString();

        private void valueTextBox_TextChanged(object sender, TextChangedEventArgs e)
                lastValue = double.Parse(valueTextBox.Text).ToString();
            catch (Exception)
                valueTextBox.Text = lastValue;
                target.setValue(name, (object)double.Parse(valueTextBox.Text));
                value = double.Parse(valueTextBox.Text);
                if (graph != null)
                if (updatePreview != null)

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About the Author

Derek Bartram
Software Developer Rail Research UK
United Kingdom United Kingdom
I originally studied for a masters in engineering of software engineering at The University of Birmingham during 2000-2004, of which I received a 2:1. I continued at Birmingham University working with Civil Engineering and Rail Research UK where I am currently in my final year of a 3 year PhD project developing a Computational Intelligent Approach to Railway Intervention Planning. Although my work has a significant focus on railway engineering and associated practices much of my work is with data mining (on SQL Server 2008) and computational intelligence (CI) techniques. My key areas of expertise in CI are clustering algorithms (including Rival Penalised Competitive Learning) and evolutionary algorithms.

Outside of my formal work I enjoy testing the latest technologies such as .NET 3.5 and the many frameworks of which it comprises (mainly WPF). I have several projects on the go including a .NET and DirectX port of Quake 3 and many utility libraries. I also maintain an extensive website coded in Cold Fusion which is regularly updated; more information is available about me there.

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