- Click Debug > Breakpoints to open the Breakpoints dialog box. 
               
- On the Location tab, click New (the button in the top, right corner of the tab) or double-click in the window. 
                  
                       
 The Breakpoint Details dialog box appears. By default, the Enable check box is checked. 
                   
- Fill in the file name, line number, expression, and skip count for your breakpoint. 
                  Use the Browse push button if necessary to locate your file name. 
                   
- Click OK to return to the Breakpoints dialog box. 
                  The location of your new breakpoint appears in the dialog box.  
- Click OK.