# PyCDC.Arc

**Arc( rect, pointStart, pointEnd**)

Draws an eliptical arc.

### Parameters

*rect*: (left, top, right, bottom)

*pointStart*: (x,y)

*pointEnd*: (x,y)

### Comments

The arc drawn by using the function is a segment of the ellipse defined by the specified bounding rectangle. The actual starting point of the arc is the point at which a ray drawn from the center of the bounding rectangle through the specified starting point intersects the ellipse. The actual ending point of the arc is the point at which a ray drawn from the center of the bounding rectangle through the specified ending point intersects the ellipse. The arc is drawn in a counterclockwise direction. Since an arc is not a closed figure, it is not filled. Both the width and height of the rectangle must be greater than 2 units and less than 32,767 units.

### MFC References

### Return Value

Always none. If the function fails, an exception is raised.