I
- icon
- A small bitmap that usually represents a minimized application. Icons may also serve as symbols in warning messages or other windows. See also bitmap.
- icon handle
- A unique value of the HICON type that identifies an icon. See also icon.
- iconic
- Minimized. If an icon represents a minimized application, the application's window is said to be iconic. See also icon, window.
- ideographic
- A single character that represents a word, object or a phrase — for example, a single character that means "month." This term would apply to the Han script.
- image
- A rectangular region on a video display that contains a graphical representation of an object. See also rectangular region.
- import library
- A .LIB file that contains information about one or more dynamic-link libraries (DLLs), but does not contain the DLL's executable code. The linker uses an import library when building an executable module of a process, to provide the information needed to resolve the external references to DLL functions. See also dynamic-link library, process.
- information context
- A device context used strictly for data retrieval; it cannot be used for any drawing operations. See also device context.
- input buffer
- A buffer containing a queue of input records with information about keyboard, mouse, and window-sizing events for a console. See also console.
- input event
- An event--such as a keystroke, mouse movement, or mouse-button click--that causes a console to place an INPUT_RECORD structure in its input buffer. A console process can get information about an input event by reading from the console's input buffer.
- instance
- An instantiation of a particular object type in a class, such as a specific process or thread. All instances of a given type have identical performance counters.
- instance subclassing
- A type of subclassing where an application replaces the window-procedure address of a single instance of a window with the address of a subclass procedure. See also subclassing, window.
- integer atom
- An atom that identifies an integer value. See also atom.
- interlocked operation
- The thread that performs an interlocked operation on a variable is guaranteed to have exclusive access to the variable until the operation has completed.
- irregular curve
- A curve that does not fit the perimeter of a conic section.
- irregular shape
- A shape composed of curves and straight line segments.
- item name
- A string that identifies a unit of data a server can pass to a client during a transaction.