12 Managing Macintosh Draw Contexts
Q3MacDrawContext_GetGrafPort
function to get the QuickDraw graphics port associated with a Macintosh draw context.
TQ3Status Q3MacDrawContext_GetGrafPort ( TQ3DrawContextObject drawContext, CGrafPtr *grafPort);drawContext
A Macintosh draw context object.grafPort
On exit, the QuickDraw graphics port currently associated with the specified draw context.
Q3MacDrawContext_GetGrafPort
function returns, in the grafPort
parameter, the QuickDraw graphics port currently associated with the draw context specified by the drawContext
parameter. If no graphics port is associated with the draw context or the two-dimensional graphics library is not kQ3Mac2DLibraryQuickDraw
, Q3MacDrawContext_GetGrafPort
returns NULL
in the grafPort
parameter.
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