User`s manual

Window features
ModelSim Xilinx User’s Manual ModelSim XE Graphic Interface 7-111
Tree window hierarchical view
ModelSim provides a hierarchical, or "tree view" of some aspect of your design in
the Structure, Signals, Variables, and Wave windows.
HDL items you can view
Depending on which window you are viewing,
one entry is created for each of the following
VHDL and Verilog HDL item within the design:
VHDL items
(indicated by a dark blue square icon)
signals, variables, component instantiation,
generate statement, block statement, and package
Verilog items
(indicated by a lighter blue circle icon)
parameters, registers, nets, module instantiation,
named fork, named begin, task, and function
Virtual items
(indicated by an orange diamond icon)
virtual signals, buses, and functions, see "Virtual
Objects (User-defined buses, and more)"
(6-100)
for more information