// Setup start and endpoint for the arrow.
ImGearPoint igPointStart = new ImGearPoint(0, 0);
ImGearPoint igPointEnd = new ImGearPoint(igPage.DIB.Width / 2, igPage.DIB.Height / 2);
// Setup color for annotation.
ImGearRGBQuad igRGBQuad = new ImGearRGBQuad(0, 255, 0);
// Create the Arrow annotation with a width of 4, no highlight,
//  regular pointer head type, a 30 degree angle for the head, and a length of 20 for the head.
ImGearARTArrow igARTArrow = new ImGearARTArrow(
    igPointStart, igPointEnd, igRGBQuad, 4, false,
    ImGearARTLineHeadType.POINTER, 30, 20
);
// Add the annotation to the ARTPage.
igARTPage.AddMark(igARTArrow, ImGearARTCoordinatesType.IMAGE_COORD);

' Setup start and endpoint for the arrow.
Dim igPointStart As New ImGearPoint(0, 0)
Dim igPointEnd As New ImGearPoint(igPage.DIB.Width / 2, igPage.DIB.Height / 2)
' Setup color for annotation.
Dim igRGBQuad As New ImGearRGBQuad(0, 255, 0)
' Create the Arrow annotation with a width of 4, no highlight,
'  regular pointer head type, a 30 degree angle for the head, and a length of 20 for the head.
Dim igARTArrow As New ImGearARTArrow( _
 igPointStart, igPointEnd, igRGBQuad, _
 4, False, ImGearARTLineHeadType.POINTER, 30, 20)
' Add the annotation to the ARTPage.
igARTPage.AddMark(igARTArrow, ImGearARTCoordinatesType.IMAGE_COORD)