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A multiple-document interface (MDI) is a graphical user interface in which multiple windows reside under a single parent window. Such systems often allow child windows to embed other windows inside them as well, creating complex nested hierarchies. This contrasts with single-document interfaces (SDI) where all windows are independent of each other.
Along with allowing Windows Store apps to run in a traditional window, Windows 10 enhanced the snapping features introduced in Windows 7 by allowing windows to be tiled into screen quadrants by dragging them to the corner, and adding "Snap Assist" — which prompts the user to select the application they want to occupy the other half of the ...
In Windows, with the option snap enabled, vertical positioning of a window against the top edge of the screen causes it to change into full screen. Software snapping is analogous to hardware detents which serve to indicate discrete values or steps of an input device.
"Child windows" in multiple document interfaces, and tabs for example in many web browsers, can make several similar documents or main objects available within a single main application window. Some windows in macOS have a feature called a drawer, which is a pane that slides out the side of the window and to show extra options.
Compositing managers may perform additional processing on buffered windows, applying 2D and 3D animated effects such as blending, fading, scaling, rotation, duplication, bending and contortion, shuffling, blurring, redirecting applications, and translating windows into one of a number of displays and virtual desktops.
DWM works in different ways depending on the operating system (Windows 7 or Windows Vista) and on the version of the graphics drivers it uses (WDDM 1.0 or 1.1). Under Windows 7 and with WDDM 1.1 drivers, DWM only writes the program's buffer to the video RAM, even if it is a graphics device interface (GDI) program.
Copy-on-write (COW), also called implicit sharing [1] or shadowing, [2] is a resource-management technique [3] used in programming to manage shared data efficiently. Instead of copying data right away when multiple programs use it, the same data is shared between programs until one tries to modify it.
Support for developing snap-ins with the .NET Framework, including Windows Forms; Reduced amount of code required to create a snap-in; Improved debugging capabilities; Asynchronous user interface model (MMC 3.0 snap-ins only) True Color Icon Support (Windows Vista Only) New Add/Remove Snap-in UI; DEP is always enforced. All snap-ins must be DEP ...