C# (CSharp) Nutshell.Ch4 PriceChangedEventArgs示例

示例#1

            // any method inside of Stock class can call the event, which then triggers subscribers

            protected virtual void OnPriceChanged(PriceChangedEventArgs e)
            {
                PriceChanged?.Invoke(this, e); // null propagation, will check for null before invocation
            }

示例#2

文件： DelegateTests.cs 项目： jeremybreytenbach/MCSD-Test

 // any method inside of Stock class can call the event, which then triggers subscribers
 protected virtual void OnPriceChanged(PriceChangedEventArgs e)
 {
     PriceChanged?.Invoke(this, e); // null propagation, will check for null before invocation
 }