文件关闭问题

大家好，我有一个应用程序，如果主日志文件不可用（即网络故障），它将在辅助日志文件中生成一个条目。一旦打开日志文件，我将其保持打开状态直到应用程序结束但是，如果
主文件没有问题，可能无法打开辅助文件。
当用户按下“完成”按钮时，我使用“To_File / Execute Close”对象来确保两个文件都已正确关闭。
没问题，一切都运行良好，即使有鼻子文件。最近我决定允许操作员更改辅助文件的目录，所以我为To_Fileobject提供了文件名控制输入引脚。
不幸的是，在这种情况下，Vee的行为有点不同 - 如果文件不存在，Vee创建它然后，Iassume，关闭它。
出于多种原因，我不希望生成空数据文件。
实际上，我不希望生成任何sortbeing的空文件。
这是一个合法且理想的Vee“功能”吗？我知道在DOS时代关闭文件是一件大事。
在Windows 2000机器上留下Vee应用程序时，我真的需要“执行关闭”吗？Barriewhoi



     以下为原文

  Hi folks,

I have an application that will make an entry in a secondary log file
only if the primary log file is not available (i.e. network failure).
Once a log file has been opened, I leave it open until the application
ends but, if the primary file has no problems, the secondary file may
never be opened.  When the user presses the "Done" button, I use a
"To_File/Execute Close" object to make sure both files have been closed
correctly.  No problem, everything works well even if there is no
secondary file.

Recently I decided to allow the operator to change the secondary file's
directory so I provided a file name control input pin to the To_File
object.  Unfortunately, Vee acts a little differently under this
condition - if the file doesn't exist, Vee creates it and then, I
assume, closes it.  For a number of reasons, I don't want empty data
files being generated.  In fact, I don't want empty files of any sort
being generated.  Is this a legitimate and desirable Vee "feature"?

I know closing a file was a big deal back in the DOS days.  Do I really
need to "execute close" when leaving a Vee application on a Windows 2000
machine?

Barrie
whoi

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