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DC

DC: 1. Direct Current. Electrical current that flows in a single direction only, cf AC.; 2. Domain Controller.; 3. Device Context. In the Windows GDI library, a device context is a handle used for drawing onto a device. Each device context is created for a specific device, for example a display, a printer, plotter, bitmap etc. Conceptually a DC can be thought of as a handle to a drawing surface, operations that work on the DC should therefore have no need to know the type of surface (be it a printer, bitmap etc).
Each Device Context will in turn have a number of other objects associated with it, such as pens, brushes and fonts.

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