Measure running time

System. Diagnostics. Stopwatch SW = New System. Diagnostics. Stopwatch (); Sw. Start (); // EnterCode Sw. Stop (); Console. writeline ( " Total running time: " + Sw. elapsed ); Console. writeline ( " The total running time (in milliseconds) of the measurement instance ): " + Sw. elapsedmilliseconds ); Double Duration = ( Double ) SW. elapsedticks / ( Double ) System. Diagnostics. Stopwatch. Frequency * 1000 ; Console. writeline ( " The total running time (in milliseconds) of the measurement instance ): " + Duration. tostring ( " N4 " )); Console. writeline ( " Total running time (timer scale ID ): " + Sw. elapsedticks ); Console. writeline ( " Whether the timer is running: " + Sw. isrunning. tostring ());