CLR 4.0 new content in abnormal state of confusion

Abnormal state of confusion

Some people call it Super exception. Refers not catch the exception, disrupting the process of the state, cause crashes, or do not want to see the process leading to behavior, like insanity. CLR4.0 not catch the exception made for a configurable processing mechanism. Consider the following procedure. In CLR2.0 years, this catch (Exception ex) of all possible exceptions are caught. In CLR4.0 where, by default, will not take effect this super catch, if abnormal will cause the program to stop.

class Program
(
static void Main (string [] args)
(
SaveFile ("file.txt");
Console.ReadLine ();
)
public static void SaveFile (string fileName)
(
try
(
FileStream fs = new FileStream (fileName, FileMode.Create);
)
catch (Exception ex)
(
Console.WriteLine ("File open error");
throw new IOException ();
)
)
)

Because of some special circumstances, need to change the default strategy. CLR 4.0 provides two means of customized

[HandleProcessCorruptedStateExceptions] method of labeling (Method attribute)

Methods need a super catch by adding the label. Take effect can make a super catch, as follows:


[HandleProcessCorruptedStateExceptions]
public static void SaveFile (string fileName)
(
try
(
FileStream fs = new FileStream (fileName, FileMode.Create);
)
catch (Exception ex)
(
Console.WriteLine ("File open error");
throw new IOException ();
)
)



Note: This form can only take effect within this method. In other places, or the default by CLR4.0 manner. config configuration file if you want to change this policy throughout the application level, the configuration file in config write




















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