// Setup location for the protractor
ImGearPoint igPointStart = new ImGearPoint(igPage.DIB.Width / 2, igPage.DIB.Height / 2);
ImGearPoint igPointHead = new ImGearPoint(50, 50);
ImGearPoint igPointEnd = new ImGearPoint(igPage.DIB.Width / 2, 50);
// Setup color for the protractor.
ImGearRGBQuad igRGBQuad = new ImGearRGBQuad(0, 255, 0);
// Create the protractor annotation with a width of 3 and 90% opacity,
// 1:1 aspect ratio, radius of 100 for the arc drawn in the protractor,
// 3 decimals of precision, and size 12 regular Times New Roman font.
ImGearARTProtractor igARTProtractor = new ImGearARTProtractor(
    igPointStart, igPointHead, igPointEnd, igRGBQuad,
    ImGearARTPenStyle.SOLID, 3, (int)(0.90 * 255),
    1, 1, 1, 1, 100,
    3, "Times New Roman", (float)12.0, ImGearARTFontStyles.Regular
);
// Add the annotation to the ARTPage.
igARTPage.AddMark(igARTProtractor, ImGearARTCoordinatesType.IMAGE_COORD);

' Setup location for the protractor
Dim igPointStart As New ImGearPoint(igPage.DIB.Width / 2, igPage.DIB.Height / 2)
Dim igPointHead As New ImGearPoint(50, 50)
Dim igPointEnd As New ImGearPoint(igPage.DIB.Width / 2, 50)
' Setup color for the protractor.
Dim igRGBQuad As New ImGearRGBQuad(0, 255, 0)
' Create the protractor annotation with a width of 3 and 90% opacity,
' 1:1 aspect ratio, radius of 100 for the arc drawn in the protractor,
' 3 decimals of precision, and size 12 regular Times New Roman font.
Dim igARTProtractor As New ImGearARTProtractor( _
 igPointStart, igPointHead, igPointEnd, igRGBQuad, _
 ImGearARTPenStyle.SOLID, 3, CInt(0.9 * 255), _
 1, 1, 1, 1, 100, _
 3, "Times New Roman", CSng(12), ImGearARTFontStyles.Regular)
' Add the annotation to the ARTPage.
igARTPage.AddMark(igARTProtractor, ImGearARTCoordinatesType.IMAGE_COORD)