See Also Properties Events Methods
An MDI (Multiple-Document Interface) form is a window that acts as the background of an application and is the container for forms that have their MDIChild property set to True.
You create an MDI form by choosing New MDI Form from the File menu.
An application can have only one MDI form but many MDI child If an MDI child form has menus, the child form's menu bar automatically replaces the MDI form's menu bar when the child form is active. A minimized MDI child form appears as an icon within the MDI form. forms.
MDI forms can contain only menu and picture box controls and custom controls that have an Align property. To place other controls on an MDI form, you can draw a picture box on the form and then draw other controls inside the picture box. You can use the Print method to display text in a picture box on an MDI form, but you can't use this method to display text on the MDI form itself.
An MDI form cannot be modal.
Note that MDI child forms are designed independently of the MDI form, but are always contained within the MDI form at run time.
ActiveFormGCUI9X Icon ScaleWidth
ActiveControl Left ScrollBars
Caption LinkMode Tag
Enabled LinkTopic Top
Height MousePointer Visible
HelpContextID Name Width
hWnd ScaleHeight WindowState
Activate LinkClose Load
Deactivate2E06TW LinkError QueryUnload
DragDrop LinkExecute Resize
DragOver LinkOpen Unload
Creating a Menu Bar
Using MDI Features
Specifying a Startup Form
Using Dynamic Data Exchange (DDE)
Chapter 3, "Creating and Using Controls"
Chapter 8, "Objects and Instances"
Chapter 14, "Multiple-Document Interface (MDI) Applications"