关于try..except ..on ?? do ...end; (30分)

F

fossil

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• 2002-01-16

• #1

写文件错误，因该属于那种异常处理方式
try
...
except on ????do
end;

 

L

lujr

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• 2002-01-16

• #2

what's mean?

 

S

sxbrf

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• 2002-01-16

• #3

EWriteError

 

F

fossil

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• 2002-01-16

• #4

有这个TRL异常情况吗？？？？？？？？？？？？？？？EWriteError

 

S

SoftBoy

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• 2002-01-16

• #5

有呀
EWriteError is the exception class for unsuccessful attempts to write data to a stream.
Unit
classes
Description
EWriteError is raised when:
The WriteBuffer method of a stream object is unable to write the specified number of bytes.
The IDE is unable to write one of a component抯 properties to a stream. This can occur when you try to save a form at design time.

 

B

blue girl

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• 2002-01-23

• #6

在Help里查詢一下,不要這麼懶

 

H

huajianguo

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• 2002-01-23

• #7

小弟写程序比较懒喜欢不带错误类型：
try
begin
......
end;
except
begin
......
end;
end;

 

Y

yhaochuan

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• 2002-01-23

• #8

在SysUtils里有各种各样的异常定义。

 

没

没理头号

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• 2002-01-23

• #9

反证你用
TRY
EXCEPT
//错误处理
END;
其实你不用考虑太清楚，反证如果出错应该就会出现在那里！

 

A

Aiirii

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• 2002-01-23

• #10

你用这个不就可以知道了吗！！！
try

except
on E:Exception do ShowMessage(E.Message);
end;

 

W

wlmmlw

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• 2002-01-23

• #11

Up:
支持！
如果你知道怎么样就会引发错误的，上面的方法也是挺好的！

 

P

Pipi.

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• 2002-04-29

• #12

对的，Exception是所有dlephi exception的基类，可以光捕捉exception（偷懒而且不需要分开各类异常来处理的话）

 

F

fossil

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• 2002-05-02

• #13

接受答案了.