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Multiple-Document Interface (MDI) Applications
Multiple-document interface (MDI) applications enable you to display multiple documents at the same time, with each document displayed in its own window. MDI applications often have a Window menu item with submenus for switching between windows or documents.
There are some behavior differences between MDI forms and single-document interface (SDI) windows in Windows Forms. The Opacity property does not affect the appearance of MDI child forms. Additionally, themethod does not affect the behavior of MDI child forms.
In This Section
Gives directions for creating the container for the multiple documents within an MDI application.
Gives directions for creating one or more windows that operate within an MDI parent form.
Gives directions for verifying the child window that has focus (and sending its contents to the Clipboard).
Gives directions for transporting information to the active child window.
Gives directions for tiling, cascading, or arranging the child windows of an MDI application.