---
title: "How to: Use ToolStripPanels for MDI"
ms.date: "03/30/2017"
dev_langs: 
  - "csharp"
  - "vb"
helpviewer_keywords: 
  - "MDI [Windows Forms], using ToolStripPanels [Windows Forms]"
  - "ToolStripPanel control [Windows Forms], using for MDI"
  - "toolbars [Windows Forms], using for MDI"
ms.assetid: d6b884fc-0846-465f-83c3-5dc0fe93b00f
---
# How to: Use ToolStripPanels for MDI
The <xref:System.Windows.Forms.ToolStripPanel> provides flexibility for multiple-document interface (MDI) applications by using the <xref:System.Windows.Forms.ToolStripPanel.Join%2A> method.  
  
## Example  
 The following code example demonstrates how to use <xref:System.Windows.Forms.ToolStripPanel> controls for MDI.  
  
 [!code-csharp[System.Windows.Forms.ToolStrip.Misc#10](~/samples/snippets/csharp/VS_Snippets_Winforms/System.Windows.Forms.ToolStrip.Misc/CS/Program.cs#10)]
 [!code-vb[System.Windows.Forms.ToolStrip.Misc#10](~/samples/snippets/visualbasic/VS_Snippets_Winforms/System.Windows.Forms.ToolStrip.Misc/VB/Program.vb#10)]  
  
## Compiling the Code  
 This example requires:  
  
- References to the System.Design, System.Drawing, and System.Windows.Forms assemblies.  
  
## See also

- <xref:System.Windows.Forms.ToolStripPanel>
- [How to: Join ToolStripPanels](how-to-join-toolstrippanels.md)