Function GraSegDestroy() Foundation
Deletes a specific graphic segment.
GraSegDestroy( [<oPS>], <nSegmentID> ) --> lSuccess
The return value of GraSegDestroy() is .T. (true) when the segment was deleted, otherwise it is .F. (false). If the return value equals .F., the cause of error can be determined by GraError().
A graphic segment is deleted by GraSegDestroy(). This is always recommended when a segment contains extensive calls of graphic primitives and has been displayed. After display, the segment should be deleted if it is not needed again.
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