You can use the Visual Studio Watch window while debugging to watch how the values of variables and expressions in your code
               change:
               	 
            
            	 
             
               		
               - To open the Watch window, click 
                  		  Debug > Windows > Watch > Watch 
                     			 n while debugging. 
                  		
               
- To add variables to the Watch window, right-click a variable in the editor and click 
                  		  Add Watch. Alternatively, in the Watch window, click an empty row in the 
                  		  Name column, and type a variable or an expression. 
                  		
               
- To change the display format for all values in the Watch window from decimal to hexadecimal, right-click in the Watch window,
                  and then click 
                  		  Hexadecimal Display. 
                  		
               
- To change the format of display of the values on individual rows in the Watch window, click a row, press 
                  		  F2, and type a modifier after the name of the variable or the expression as follows: 
                  		  
                   
                     			  
                     				
                     - h or x
                        				
                     
- Type 
                        				  Variable,h or 
                        				  Variable,x to always display the variable or the expression in hexadecimal format.
                        				
                     
- d 
                        				
                     
- Type 
                        				  Variable,d to always display numeric variables in decimal format and strings - as text.