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Posted 11 May 2008
Licenced Public Domain

Visual Studio IDE like Dock Container

, 14 May 2009
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Free Windows dock container

Important Note

We intend to create a new release of this open source product at the end of the next month (June 28, 2009). Please send any bug you've found (or desired change request) at .

Thank you all for using this product.


This article describes how to use the free dock container library in your applications.
You can download the full source from here. The full documentation for the product can be accessed here.

Here is a image of the sample project of this application:



This user control is made in C# and allows docking child forms on Left, Right, Top, Bottom and Fill.
The dock is guided by dock guiders.

Using the Code

There are two important classes in this library: DockableToolWindow and DockContainer.

The DockableToolWindow is the base class for the tool windows.

The most important property from this class is AllowedDock. This property returns the allowed dock values for the tool window which specializes this class. By default, this property allows docking the tool window on all panels. Overriding this property can change the dock behavior of the tool window (for example can allow only dock left or right).

The DockContainer class is the user control which hosts the tool windows.

This control should be added to the main form and docked fill.
Then you can add forms to it using the AddToolWindow method. This method adds a tool window to be managed by dock container. The caller must show the form to make it visible.

private void ShowNewForm ()
   // Create a new instance of the child form.
   DockableToolWindow childForm = new DockableToolWindow ();

   // Add the form to the dock container
   _dockContainer1.AddToolWindow (childForm);

   // Show the form
   childForm.Show ();

The forms can be added and docked with a single call to the DockToolWindow method.

private void OnCreateNewToolWindowDockedLeft (object sender, EventArgs e)
   // Create a new instance of the child form.
   DockableToolWindow childForm = new DockableToolWindow ();

   // Add and dock the form in the left panel of the container
   _dockContainer1.DockToolWindow (childForm, zDockMode.Left);

   // Show the form
   childForm.Show ();

The tool windows can be undocked using the UndockToolWindow method. Here is a sample of how to un-dock the top level tool-window from the left panel and then move it to an arbitrary location:

DockableToolWindow toolWindow = _dockContainer.GetTopToolWindow(zDockMode.Left);
if (toolWindow != null)
   toolWindow.Location = new Point(300, 100);

It is important for the users of this library to use the MinimumSizeChanged event to enforce the minimum dimensions of the container form.

private void OnDockContainerMinSizeChanged (object sender, EventArgs e)
   int deltaX = Width  - _dockContainer1.Width;
   int deltaY = Height - _dockContainer1.Height;

   MinimumSize = new Size (
      _dockContainer1.MinimumSize.Width  + deltaX,
      _dockContainer1.MinimumSize.Height + deltaY);

Points of Interest

The full documentation of this product can be accessed at the site mentioned at the beginning of this article. Please contact us at for additional information.


  • First version of this product was released on 2008.05.07


This article, along with any associated source code and files, is licensed under A Public Domain dedication


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Comments and Discussions

GeneralExternal link cannot be accessed Pin
KudoShin27-May-15 0:15
memberKudoShin27-May-15 0:15 
QuestionAny way to not resize the main/filled dock when docking a side panel Pin
JudyCW26-Jun-13 18:56
memberJudyCW26-Jun-13 18:56 
QuestionIDE Like Tabbed Document. Pin
Ritesh Khatri4-Nov-12 0:17
memberRitesh Khatri4-Nov-12 0:17 
QuestionLove it Pin
stevecocks12-Sep-12 23:37
memberstevecocks12-Sep-12 23:37 
QuestionImprove tags Pin
Sergey Alexandrovich Kryukov22-Jun-12 15:58
memberSergey Alexandrovich Kryukov22-Jun-12 15:58 
QuestionCrom.controls problem when moving windows Pin
olivier BALFOURIER14-Jun-12 21:02
memberolivier BALFOURIER14-Jun-12 21:02 
QuestionCan not download the source files.. Pin
leilifan11-Apr-12 16:04
memberleilifan11-Apr-12 16:04 
Questionmodification to childforms. Pin
pasupulety31-Jan-12 20:18
memberpasupulety31-Jan-12 20:18 
QuestionChanges to DockToolWindows . Pin
pasupulety31-Jan-12 20:12
memberpasupulety31-Jan-12 20:12 
GeneralMy vote of 5 Pin
VB_ Coder13-Jul-11 10:45
memberVB_ Coder13-Jul-11 10:45 
GeneralDock container with Textbox issues Pin
Chalcy12-May-11 1:17
memberChalcy12-May-11 1:17 
AnswerRightToLeft Not Work. Pin
Biyuk Sadeghi Lahijan28-Feb-11 4:27
memberBiyuk Sadeghi Lahijan28-Feb-11 4:27 
QuestionAdding Dockables at Design Editor? Pin
Barzille31-Dec-09 0:23
memberBarzille31-Dec-09 0:23 
GeneralVS2008 complains when I load the example project Pin
IvanBohannon26-Oct-09 3:55
memberIvanBohannon26-Oct-09 3:55 
GeneralMy vote of 1 Pin
smton13-Jul-09 12:51
membersmton13-Jul-09 12:51 
GeneralRe: My vote of 1 Pin
jaimi21-Jul-09 4:17
memberjaimi21-Jul-09 4:17 
GeneralRe: My vote of 1 Pin
Johnny J.31-May-10 2:27
professionalJohnny J.31-May-10 2:27 
GeneralRe: My vote of 1 Pin
RugbyLeague10-May-12 4:16
memberRugbyLeague10-May-12 4:16 
GeneralBug - Text selection with mouse does not work Pin
Fred dBu5-Jun-09 0:59
memberFred dBu5-Jun-09 0:59 
GeneralSome questions Pin
LomionAcc20-May-09 6:03
memberLomionAcc20-May-09 6:03 
GeneralRe: Some questions Pin
Eugene Efimov17-Aug-09 0:43
memberEugene Efimov17-Aug-09 0:43 
GeneralSome important issues with docking Pin
dpk_kbsht13-May-09 21:04
memberdpk_kbsht13-May-09 21:04 
AnswerRe: Some important issues with docking Pin
Cristinel Mazarine14-May-09 8:26
memberCristinel Mazarine14-May-09 8:26 
GeneralCompared with WeifenLuo's DockPanel Suite Pin
pinx12-May-09 3:47
memberpinx12-May-09 3:47 
GeneralRe: Compared with WeifenLuo's DockPanel Suite Pin
vincezed9-Apr-11 3:21
membervincezed9-Apr-11 3:21 

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