摘要：
PropertyGrid 多层折叠使用方法:///子子元素public class school { public string Address{set;get;} public string Name{set;get;} public string Sex{set;get;} public override string ToString() { return Address+Name+Sex; } }///子元素 public class SystemConfig { public string ConfigName { set; get; } private school _school 阅读全文
