Value
Meaning
fmCreate
Create a file with the given name. If a file with the given name exists, open the file in write mode.
fmOpenRead
Open the file for reading only.
fmOpenWrite
Open the file for writing only. Writing to the file completely replaces the current contents.
fmOpenReadWrite
Open the file to modify the current contents rather than replace them.
fmShareCompat
Sharing is compatible with the way FCBs are opened.
fmShareExclusive
Other applications can not open the file for any reason.
fmShareDenyWrite
Other applications can open the file for reading but not for writing.
fmShareDenyRead
Other applications can open the file for writing but not for reading.
fmShareDenyNone
No attempt is made to prevent other applications from reading from or writing to the file.
The share mode must be one of the following values:
Value
Meaning
fmShareCompat
Sharing is compatible with the way FCBs are opened.
fmShareExclusive
Other applications can not open the file for any reason.
fmShareDenyWrite
Other applications can open the file for reading but not for writing.
fmShareDenyRead
Other applications can open the file for writing but not for reading.
fmShareDenyNone
No attempt is made to prevent other applications from reading from or writing to the file.
转载于:https://www.cnblogs.com/Blogs-young-chan/p/4680100.html
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