Stopwatch class Stopwatch StopWatch Stopwatch stopwatch Stopwatch Stopwatch Stopwatch StopWatch System.Diagnostic.StopWatch Stopwatch Stopwatch Class (System.Diagnostics) System.Diagnostics.Stopwatch Stopwatch Stopwatch System.Diagnostics.StopWatch msdn.microsoft.com Stopwatch Stopwatch Stopwatch Stopwatch Class (System.Diagnostics) Stopwatch Stopwatch Stopwatch class Stopwatch Class Stopwatch Stopwatch Check out the MSDN docs System.Diagnostics.Stopwatch StopWatch Stopwatch class documentation