.net exceptions are divided into two diifferent kinds.
1.system exceptions: inherited from System.SystemException, such as ArgumentOutofRangeException,IndexOutOfRangeException,StackOverflowException. system excepions are exception which triggled by .net framwork.
2. application exceptions: inherited from System.ApplicationException which inherite from System.Exception.
key words in .net exceptions: throw, try,catch, finally
menbers in system.exception
1. Data:(read/write) return a key/value pair which inherite from IDictionary, can include more programmer defined information in it.
2. HelpLink(read/write): return a URL which can help user to find out how to solve this exception
3. InnerException(read):
4. Message: (read) return a value which show error messages about this exception(can defined in constructor of an exception).
5. Source:(read/write) return the assembly's name of the exception
6. StactTrace: (read)
7. TragetSite: (read) return a MethodBase type,describe the details of the expection method.
example;
public class CarIsDeadException: ApplicationException
{
public CarIsDeadException(){}
public CarIsDeadException(string message) : base(message){}
public CarIsDeadException(string message, System.Exception inner): base(message, inner){}
protect CarIsDeadException(System.Runtime.Serization.SerializationInfo info, System.Runtime.Serialization.StreamingContext context):base(info,context){}
//other user defined propertied, attribute, method;
}
转载于:https://www.cnblogs.com/huangwj21/archive/2010/11/08/1871756.html