Creating an MDI Child Form in C#
This article demonstrates how to create a child Form in a Windows Forms application using C#.
An MDI (Multiple Document Interface) application is an application in which we can view and work with several
documents at once like Microsoft Excel or Visual Studio 2010.
MDI applications having a feature of MDI child forms and its very essential
element of it.
Get to Work
With the help of
below given example, you can learn how to create an MDI Form and a MDI Child Form
and by using default MDI Form control you can generate the new MDI child form. Here are the step required to build an MDI child Form support.
Step to Create
and Implement MDI Child Form
- Create a MDI parent form
with a MenuStrip which containing the values New and Windows and Close in the
sub menu of New.
- Now go to
Properties Window, select the all menu items and set the the MdiList
property to true.
MDI child forms by going in Solution Explorer, right-click the project, select
Add New Item from Add Menu.
box appear, now select Windows Form give the name as Form2 and click on open button. A New Form Name as Form2 added.
Add a RichTextBox Control to the Form from Toolbox.
Now go on
Property Window and Set Properties for the RichTextbox. Set Anchor property to
Top, Left and the Dock property to Fill.
New Menu Item and generate a Click Event Handler on it.
Double click on New Menu Item and Write down the following Code.
newMDIChild = newForm2();
// Set the
Parent Form of the Child window.
the new form.
Now Run the application,
And from output window you can create a new MDI child form by clicking on New
In this article, we discussed how to build Windows Forms application with an MDI Child form support using Visual Studio 2010 and C#.