static void ExecuteOperation()
{
switch ((OperationNumber)operation)
{
case OperationNumber.PLUS:
typeoperation = new Addition(Firstvalue, Secondvalue);
break;
case OperationNumber.MINUS:
typeoperation = new Subtraction(Firstvalue, Secondvalue);
break;
case OperationNumber.CROSS:
typeoperation = new Multiplication(Firstvalue, Secondvalue);
break;
case OperationNumber.DIVISION:
typeoperation = new Division(Firstvalue, Secondvalue);
break;
}
}
public Operations(AOperation operation)
{
_operation = operation;
}