“跑表”类VB 提供的 Timer 控件的精度好象可以达到 1 毫秒，但实际上只能达到几十毫秒。此“跑表”类使用多媒体的定时器而真正提供精确到 1 毫秒的定时(1KB)-" stopwatch"　VB Timer control of the accuracy seems to be a millisecond, but only reached tens of milliseconds. This " stopwatch"　the use of multimedia timer provide accurate and true to a millisecond timing (1KB)