MCAD/MCSD.NET Training Guide (Exam 70-316): Developing and Implementing Windows®-Based Applications with Microsoft® Visual C#™ .NET and Microsoft® Visual Studio® .NET

Creating MDI Applications

So far in this chapter, you have created only single-document interface (SDI) applications. These applications allow a user to work with only one window at a time. Several large Windows applications, such as Microsoft Excel and Visual Studio .NET, allow users to work with several open windows at the same time. These applications are called multiple-document interface (MDI) applications. The main application window of an MDI application acts as the parent window, which can open several child windows. You need to know the following main points about an MDI application:

• Child windows are restricted to their parent window (that is, you cannot move a child window outside its parent window).

• The parent window can open several ...