For ACS254 Excersize

========Solution tree ###Exampl01--

for custom control, ProductControl inherits ComboBox.

custom items Color and group items header

take the reference file, and use it

(implement in the future)provide your DataSource(ICollection .. IEnumerable...) and set some features

###Common 一些共用的東西 目前內有自訂Appconfig區段

###StrategyPatternHW 建立一個電影票售票系統，以策略模式實作各種票價折扣 參考StrategyPatternHW_Discount

###StrategyPatternHW_Discount 電影售票系統折扣的演算法 主程式參考此reference