public static extern IntPtr imaqStraightEdge2(IntPtr image, ref ROI roi, SearchDirection searchDirection, ref EdgeOptions2 edgeOptions, ref StraightEdgeOptions straightEdgeOptions, uint optimizedMode);
public static extern IntPtr imaqStraightEdge(IntPtr image, ref ROI roi, SearchDirection searchDirection, ref EdgeOptions2 edgeOptions, ref StraightEdgeOptions straightEdgeOptions);
public static extern IntPtr imaqEdgeTool4(IntPtr image, ref ROI roi, EdgeProcess processType, ref EdgeOptions2 edgeOptions, uint reverseDirection);
public static extern IntPtr imaqSpoke2(IntPtr image, ref ROI roi, SpokeDirection direction, EdgeProcess process, int stepSize, ref EdgeOptions2 edgeOptions);
public static extern IntPtr imaqEdgeTool3(IntPtr image, ref ROI roi, EdgeProcess processType, ref EdgeOptions2 edgeOptions);