Question

I want to create a timer and start it and gets its value at any time in C# and I want to know what it is, depending on, for example, is it by seconds or milliseconds or so forth.

Answer 1

Are you looking for the Stopwatch class?

using System.Diagnostics;

// ...

var stopwatch = Stopwatch.StartNew();
// ...
var milliseconds = stopwatch.ElapsedMilliseconds;