// Setup location for the point
ImGearPoint igPoint = new ImGearPoint(igPage.DIB.Width / 2, igPage.DIB.Height / 2);
// Setup color for the point.
ImGearRGBQuad igRGBQuad = new ImGearRGBQuad(0, 255, 0);
// Create the point annotation with a width of 10 and 60% opacity
ImGearARTPoint igARTPoint = new ImGearARTPoint(
    igPoint, igRGBQuad, 10, (int)(0.60 * 255)
);
// Add the annotation to the ARTPage.
igARTPage.AddMark(igARTPoint, ImGearARTCoordinatesType.IMAGE_COORD);

' Setup location for the point
Dim igPoint As New ImGearPoint(igPage.DIB.Width / 2, igPage.DIB.Height / 2)
' Setup color for the point.
Dim igRGBQuad As New ImGearRGBQuad(0, 255, 0)
' Create the point annotation with a width of 10 and 60% opacity
Dim igARTPoint As New ImGearARTPoint( _
 igPoint, igRGBQuad, 10, CInt(0.6 * 255))
' Add the annotation to the ARTPage.
igARTPage.AddMark(igARTPoint, ImGearARTCoordinatesType.IMAGE_COORD)