// 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);

' Create an array of 5 points for the curve.
Dim igPoints As ImGearPoint() = New ImGearPoint(4) {}
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.
Dim igRGBQuadCurve As New ImGearRGBQuad(40, 40, 200)
' Create curve with a dashed pattern, width of 4, tension of 0.75 and opacity of 127 (50%)
Dim igARTCurve As New ImGearARTCurve( _
 igPoints, igRGBQuadCurve, ImGearARTPenStyle.DASH, 4, CSng(0.75), 127)
' Add the annotation to the ARTPage.
igARTPage.AddMark(igARTCurve, ImGearARTCoordinatesType.IMAGE_COORD)