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The Winforms Gantt Chart is the .NET Winforms control originally hosted on CodePlex (http://ganttchart.codeplex.com)

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.NET C# Winforms Gantt Chart Control

This .NET class library project provides a C# Winforms UserControl that draws a gantt chart using native GDI+.

Getting Started

The project is written with Microsoft Visual Studio 2017, simply download the latest source code from the master branch and build the library with the IDE.

Prerequisites

No pre-requisites other than the .NET Framework.

Installing

The project builds into a class library with example applications.

Running the tests

The source code includes a test project GanttChartTests which you can load and run within Microsoft Visual Studio 2017 from the test menu.

Features

  • Support time units Weeks, Days (default), Hours out-of-the-box, can be modified to support other time resolutions.
  • Single tasks, grouped tasks, precedent/dependant tasks, split tasks, tagged resources
  • Printing respects page margin, orientation and multiple pages per page
  • Percentage complete property for each task
  • Various mouse events for customising UI experience directly on the chart.
  • Comes with default mouse commands that can be overridden through inheritance.
  • Determines critical path and slack

Documentation

Jump directly to the doxygen documentation, or visit my blog for more information. (Please make sure you are reading the updated versions while I try to keep up, thanks.)

Basic Usage

Create Chart and Adding Tasks

public Form1()
{
    InitializeComponents();
    var manager = new ProjectManager();
    var task = new Task() { Name = "Hello World" };
    manager.Add(task);
    var chart = new Chart();
    chart.Init(manage);
    
    this.Controls.Add(chart);

    this.AutoScroll = true; // this is no longer required
}

Common Task Manipulation

You can manipulate the task through code using various methods in the ProjectManager:

// Set task durations
_mManager.SetDuration(wake, 3);
// Give the Tasks some organisation, setting group and
// precedents e.g. make "wake" task a subtask under "work"
_mManager.Group(work, wake);
// Setting task dependencies e.g. make "wake" task a precedent of "brush teeth" task
_mManager.Relate(wake, teeth);
// Assigning Resources e.g. add "jake" resource to "wake" task
_mManager.Assign(wake, jake);
// splitting a tasks e.g. split the "pack up" task into 2 new tasks
_mManager.Split(pack, new MyTask(_mManager), new MyTask(_mManager), 2);
// set some tooltips to show the resources in each task
// e.g. set a tooltip on the "wake" task
_mChart.SetToolTip(wake, string.Join(", ", _mManager.ResourcesOf(wake).Select(x => (x as MyResource).Name)));

Custom Task Data: Different colors for every tasks

You can change the default task appearance for all task, or as in here change individual task color as a demo for adding custom business data to tasks.

public partial class ExampleSimple : Form
{
  ProjectManager _mProject;
  public ExampleSimple()
  {
    InitializeComponent();
    _mProject = new ProjectManager();
    _mProject.Add(new Task() { Name = "New Task" });
    _mProject.Add(new ColoredTask() { Name = "Purple Task", Color = Color.Purple });
    _mProject.Add(new ColoredTask() { Name = "Gold Task", Color = Color.Gold });
    _mChart.Init(_mProject);
    // Custom behavior on paint task
    _mChart.PaintTask += (s, e) =>
    {
        ColoredTask ctask = e.Task as ColoredTask;
        if (ctask != null)
        {
            var format = new TaskFormat();
            format = e.Format;
            format.BackFill = new SolidBrush(ctask.Color);
            e.Format = format;
        }
    };
		
    // Grab custom data for tasks
    _mChart.TaskSelected += (s, e) =>
    {
        ColoredTask ctask = e.Task as ColoredTask;
        if (ctask != null)
        {
            MessageBox.Show("Selected " + ctask.Color.ToString());
        }
    };
  }
}

// Custom task with business data
public class ColoredTask : Task
{
    public ColoredTask() : base() {}
    public Color Color { get; set; }
}

License

This project is licensed under the MIT License - see the LICENSE.md file for details

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The Winforms Gantt Chart is the .NET Winforms control originally hosted on CodePlex (http://ganttchart.codeplex.com)

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