## Presentation Device Driver Reference for OS/2

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### GrePolySpline - Remarks

The shape of each spline is controlled by a set of coordinates for three connected lines. The spline starts at the current position and ends at the end point of the third line. The end points of the first and second lines are used as control points. An individual spline always lies within the area bounded by the start, end, and control points.

Refer to the function "GpiPolySpline" in the Presentation Manager Programming Reference for more information.