C# (CSharp) hsdc.dpt.Control.Behavioral.Command.Caculator Calculator.SetCurr示例

示例#1

文件： CaculatorCommand.cs 项目： tedchwang/HSDcDesingPatternCourse

 public void Undo(Calculator receiver)
 {
     if (results.Count > 0)
       results.Pop();
     if (results.Count > 0)
         receiver.SetCurr(results.Peek());
     else
         receiver.SetCurr(0);
 }

示例#2

 public void Undo(Calculator receiver)
 {
     if (results.Count > 0)
     {
         results.Pop();
     }
     if (results.Count > 0)
     {
         receiver.SetCurr(results.Peek());
     }
     else
     {
         receiver.SetCurr(0);
     }
 }