Specify the properties of a catchment boundary and catchment point marker.
Specifies the layer for the catchment region. The default value is zero. Click 
 in the Value column to select a different layer. 
Specifies the object type for the catchment boundary.
Specifies whether or not to add a point marker at the discharge point.
Specifies the point style of the discharge point. The default style is Standard. Click 
 to specify a different style.