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在C#中計算時間差通常使用DateTime結構來表示時間,可以通過DateTime.Now屬性獲取當前時間。下面是一些提升應用性能的技巧:
Stopwatch stopwatch = new Stopwatch();
stopwatch.Start();
// Perform some operation
stopwatch.Stop();
TimeSpan elapsedTime = stopwatch.Elapsed;
Console.WriteLine("Elapsed time: " + elapsedTime.ToString());
DateTime startTime = DateTime.Now;
// Perform some operation
DateTime endTime = DateTime.Now;
TimeSpan elapsedTime = endTime - startTime;
Console.WriteLine("Elapsed time: " + elapsedTime.ToString());
async Task PerformOperationAsync()
{
Stopwatch stopwatch = new Stopwatch();
stopwatch.Start();
// Perform some time-consuming operation asynchronously
await Task.Run(() =>
{
// Perform some operation
});
stopwatch.Stop();
TimeSpan elapsedTime = stopwatch.Elapsed;
Console.WriteLine("Elapsed time: " + elapsedTime.ToString());
}
通過以上技巧,可以更高效地計算時間差并提升應用性能。
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