private void StopTimer()
{
ValueChangedTimer?.Dispose();
ValueChangedTimer = null;
Frequency = int.MaxValue;
}
/// <inheritdoc />
public virtual void Dispose()
{
lock (ValueChangedHandlers)
{
ValueChangedHandlers.Clear();
ValueChangedTimer?.Dispose();
}
}
public bool RestartTimer(bool updateValue = false)
{
if (ValueChangedTimer == null)
{
return(false);
}
if (updateValue)
{
LastValue = Read(LastValue.Length,
ValueChangedOffset);
}
ValueChangedTimer.Change(Frequency,
Timeout.Infinite);
bool ret = ValueChangedSuspended;
ValueChangedSuspended = false;
return(ret);
}
public bool SuspendTimer()
{
ValueChangedMutex.WaitOne();
try
{
if (ValueChangedSuspended)
{
return(false);
}
ValueChangedTimer.Change(Timeout.Infinite,
Timeout.Infinite);
ValueChangedSuspended = true;
return(true);
}
finally
{
ValueChangedMutex.ReleaseMutex();
}
}