public void InvokeValueChanged(GPIOPinValueChangedEventArgs e)
 {
     if (this.ValueChanged != null && e.OldValue != e.NewValue)
     {
         this.ValueChanged(this, e);
     }
 }
 public void InvokeValueChanged(GPIOPinValueChangedEventArgs e)
 {
     if (this.ValueChanged != null && e.OldValue != e.NewValue)
         this.ValueChanged(this, e);
 }