public void OnAddCalculationChanged(object sender, CalculatorArgs args)
{
Console.WriteLine("获得了一个大于100的结果");
if (args.FirstNum < 0)
{
MessageSender messageSender = new MessageSender();
messageSender.OutputMesasge("输入的第一个参数小于0", EMesasgeType.Error);
}
}
public decimal Add(decimal firstNum, decimal secondNum)
{
decimal result = 0;
result = firstNum + secondNum;
if (result > 100)
{
var eventArgs = new CalculatorArgs()
{
FirstNum = firstNum,
SecondNum = secondNum,
Result = result
};
OnResultChanged(this, eventArgs);
}
return(result);
}