Most stopwatch.dll implementations rely on the Win32 API function QueryPerformanceCounter (QPC) to achieve microsecond or nanosecond precision.
If you have a file named stopwatch.dll and need to see its specific contents or "API," you can use the following tools: stopwatch.dll
A standard tool for .NET files that shows the underlying code structure and metadata. Most stopwatch
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. Reset() : Clears the elapsed time
Open Visual Studio, go to View > Object Browser , and add the DLL to see its classes and methods.
A library of this name typically acts as a wrapper for the Windows , which provides much higher resolution than standard system clocks.