// Setup points for the ruler.
ImGearPoint[] igPoints = new ImGearPoint[4];
igPoints[0] = new ImGearPoint(10, 10);
igPoints[1] = new ImGearPoint(10, 20);
igPoints[2] = new ImGearPoint(20, 15);
igPoints[3] = new ImGearPoint(30, 10);
// Setup color for annotation.
ImGearRGBQuad igRGBQuad = new ImGearRGBQuad(0, 255, 0);
// Create the ruler annotation with a solid line of width 2 and 75% opacity,
//  1:1 aspect ratio, end lines of width 50, 3 decimal places of precision,
//  and a label in size 12 regular Arial font.
ImGearARTPolyRuler igARTPolyRuler = new ImGearARTPolyRuler(
    igPoints, igRGBQuad,
    ImGearARTPenStyle.SOLID, 2, (int)(0.75 * 255),
    1, 1, 1, 1, 50, 50, 3,
    "ImGearARTPolyRuler test", "Arial", (float)12.0, ImGearARTFontStyles.Regular);

// Add the annotation to the ARTPage.
igARTPage.AddMark(igARTPolyRuler, ImGearARTCoordinatesType.IMAGE_COORD);

' Setup points for the ruler.
Dim igPoints As ImGearPoint() = New ImGearPoint(3) {}
igPoints(0) = New ImGearPoint(10, 10)
igPoints(1) = New ImGearPoint(10, 20)
igPoints(2) = New ImGearPoint(20, 15)
igPoints(3) = New ImGearPoint(30, 10)
' Setup color for annotation.
Dim igRGBQuad As New ImGearRGBQuad(0, 255, 0)
' Create the ruler annotation with a solid line of width 2 and 75% opacity,
'  1:1 aspect ratio, end lines of width 50, 3 decimal places of precision,
'  and a label in size 12 regular Arial font.
Dim igARTPolyRuler As New ImGearARTPolyRuler(igPoints, igRGBQuad, ImGearARTPenStyle.SOLID, 2, CInt(Math.Truncate(0.75 * 255)), 1, _
 1, 1, 1, 50, 50, 3, _
 "ImGearARTPolyRuler test", "Arial", CSng(12.0), ImGearARTFontStyles.Regular)

' Add the annotation to the ARTPage.
igARTPage.AddMark(igARTPolyRuler, ImGearARTCoordinatesType.IMAGE_COORD)