Stopwatch.dll -

It usually exposes methods to control timing state: Start() / Stop() : Initiates or halts the timer. Reset() : Clears the elapsed time. Restart() : Resets and starts the timer in one call.

Open Visual Studio, go to View > Object Browser , and add the DLL to see its classes and methods. stopwatch.dll

Most stopwatch.dll implementations rely on the Win32 API function QueryPerformanceCounter (QPC) to achieve microsecond or nanosecond precision. It usually exposes methods to control timing state:

Tools like .NET Reflector or ILSpy can reconstruct the original source code from the DLL. Common Use Cases Stopwatch Class (System.Diagnostics) - Microsoft Learn go to View > Object Browser

A library of this name typically acts as a wrapper for the Windows , which provides much higher resolution than standard system clocks.