// Create an array of 5 points for the curve.
ImGearPoint[] igPoints = new ImGearPoint[5];
igPoints[0] = new ImGearPoint(0, 0);
igPoints[1] = new ImGearPoint(20, 40);
igPoints[2] = new ImGearPoint(40, 40);
igPoints[3] = new ImGearPoint(80, 40);
igPoints[4] = new ImGearPoint(120, 120);
// Setup color for the curve.
ImGearRGBQuad igRGBQuadCurve = new ImGearRGBQuad(40, 40, 200);
// Create curve with a dashed pattern, width of 4, tension of 0.75 and opacity of 127 (50%)
ImGearARTCurve igARTCurve = new ImGearARTCurve(
igPoints, igRGBQuadCurve, ImGearARTPenStyle.DASH, 4, (float)0.75, 127
);
// Add the annotation to the ARTPage.
igARTPage.AddMark(igARTCurve, ImGearARTCoordinatesType.IMAGE_COORD);