// Setup rectangle for the hollow rectangle mark's location.
ImGearRectangle igRectangle = new ImGearRectangle(10, 10, 300, 100);
// Setup color for the hollow rectangle.
ImGearRGBQuad igRGBQuad = new ImGearRGBQuad(40, 200, 40);
// Create hollow rectangle with a border of 10 and highlight off.
ImGearARTHollowRectangle igARTHollowRectangle = new ImGearARTHollowRectangle(
    igRectangle, igRGBQuad, 10, false
);
// Add the annotation to the ARTPage.
igARTPage.AddMark(igARTHollowRectangle, ImGearARTCoordinatesType.IMAGE_COORD);

' Setup rectangle for the hollow rectangle mark's location.
Dim igRectangle As New ImGearRectangle(10, 10, 300, 100)
' Setup color for the hollow rectangle.
Dim igRGBQuad As New ImGearRGBQuad(40, 200, 40)
' Create hollow rectangle with a border of 10 and highlight off.
Dim igARTHollowRectangle As New ImGearARTHollowRectangle( _
 igRectangle, igRGBQuad, 10, False)
' Add the annotation to the ARTPage.
igARTPage.AddMark(igARTHollowRectangle, ImGearARTCoordinatesType.IMAGE_COORD)