Navigation Path: Place the cursor in the class file and navigate to ReSharper | Edit | Generate Code
Or
You can set the shortcut in Tools-> Options-> Keyboard
And Search for the operation and assign the shortcut
Click Constructor
If you don’t have any fields, it will generate the default constructor
If you have fields, It will ask to select parameters for constructor and initialize them, the no of parameters shown to select in constructor window depends on no of un initialized fields in the class