Extracts information from a Transform Object.
Xform DXGetXformInfo(Xform x, Object *o, Matrix *m)
Extracts the Object being transformed and the transformation matrix from a Transform Object x. If o is not NULL, then the Object being transformed by the transformation contained in t is returned in o. Similarly, if m is not NULL, then the transformation contained in t is returned in m.
Returns t or returns NULL and sets an error code if t is not a Transform.
16.4 , "Xform Class".
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