c++:字符串的操作（大小写的转换、比较、替换、移除、删除）功能源码；模态对话框的建立（省份证号码与年月日的匹配；对话框的长宽移动和自定义）；静态对话框的建立及源代码（图片的打开）等功能；-c++:String operations (case conversion, more, replace, remove, delete) function of source modal dialog creation (province card number and date of the matc