C# (CSharp) BUS BusHoaDon示例

示例#1

文件： BusHoaDon.cs 项目： nguyenduy4994/computer_component_shop

 public static BusHoaDon GetInstance()
 {
     if (Instance == null)
     {
         Instance = new BusHoaDon();
     }
     return(Instance);
 }

示例#2

文件： BusHoaDon.cs 项目： nguyenduy4994/computer_component_shop

 public static BusHoaDon GetInstance()
 {
     if(Instance == null)
         Instance = new BusHoaDon();
     return Instance;
 }