You can set an option so that when you click on a class, function, variable, or macro, all occurrences of that class, function, variable, or macro in the current file are highlighted.
Choose Tools > Options.
Click C/C++ in the top pane of the dialog box.
Click the Highlighting tab.
Make sure that all of the check boxes contain checkmarks.
Click OK.
In the customer.cc file of the Quote_1 project, notice that the function names are highlighted in bold.
Click on an occurrence of the Customer class.
All of the occurrences of the Customer class in the file are highlighted with a yellow background.
In the customer.h file, notice that class fields are highlighted in bold.