[in, out] ElevationBehaviorMode – An enum that can use any of the following values:
EB_REPLACE = 0
Replaces the area defined by the polygon with the selected
elevation value.
EB_BELOW = 1
Replaces all elevation values that are lower than the selected
elevation value with the selected elevation value
EB_ABOVE = 2
Replaces all elevation values that are higher than the selected
elevation value with the selected elevation value