VS2012 - the Find function after the definition has never been used

Steps are as follows:

Select an item == "Right Properties ==" code analysis (choose Microsoft's all the rules)

Note: The default is hosting Proposed Rule

Note: CA1804 CA1811 rules

For example, you need to see a project function method has never been used are as follows:

Select an item == "right to run code analysis

Operation details are as follows: