耗时分析
System.Diagnostics.Stopwatch watch = new System.Diagnostics.Stopwatch();
watch.Start();
**计算xxx**
watch.Stop();
//用时
float time = watch.ElapsedMilliseconds / 1000.0f;
System.Diagnostics.Stopwatch watch = new System.Diagnostics.Stopwatch();
watch.Start();
**计算xxx**
watch.Stop();
//用时
float time = watch.ElapsedMilliseconds / 1000.0f;