dev_map_var — Open the variable window of HDevelop.
dev_map_var is obsolete and is only provided for
reasons of backward compatibility. New applications should use
ToolType set to
dev_map_var( : : : )
dev_map_var is used to re-show (map) the variable window on
the screen after it has been hidden (unmapped) by
This operator is not supported for code export.
dev_map_var always returns 2 (H_MSG_TRUE).