leLSWGetBlockageSelectable

leLSWGetBlockageSelectable( 
t_blockageTypeName 
t_layerName 
) 
=> t / nil

Indicates whether a layer blockage is selectable.

t_blockageTypeName
	Any valid layer blockage type. Blockages can have the following types: "Routing", "Wiring", "Fill", "Slot", "Pin", "Feed", and "Screen".
t_layerName	Any valid layer name. Example: metal1.

`t`	The blockage is selectable.
`nil`	The blockage is not selectable.

Returns t if "metal1" routing blockage is selectable and nil if it is not.

leLSWGetBlockageSelectable("Routing" "metal1")