context what is
What is context in Mac OS: how drawing is performed for a drawable object attached to that context.

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context definition

Explanation CONTEXT: (1) In OpenGL, a set of OpenGL state variables that affect how drawing is performed for a drawable object attached to that context. Also called a rendering context. (2) In the OS X printing system, a pointer to a custom data structure that contains state information shared among the functions in a printing dialog extension

More definitions for Mac OS users such as context in Dictionary C.

Help Control Reference:
Usage A pointer to an opaque data structure that describes a control’s properties. You manipulate a control by means of its control reference context definition.
Help Core Foundation URL Reference:
Usage A data object of type CFURLRef specifying a URL context explain.
Help Cross-Stream Shift:
Usage A type of positional shift that applies equally to all glyphs in a style run by raising or lowering the entire style run (or shifts it sideways if it’s vertical text). Compare with-stream shift context what is.
Help Caret Type:
Usage A designation of the behavior of the caret at direction boundaries in text. See also dual caret context meaning.
Help Coordinate Scale:
Usage In Core Audio, for a panner unit , a parameter that specifies the maximum value for the distance parameter, in meters context abbreviation.
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