FindFirst : with network files it fails

[gioma 19]

Hi,

I need to retrieve information about a file, to do so I use the FindFirst function.
The problem is when I use it with a network file it returns error 2: The system cannot find the file specified.

 

//FileName='\\SERVER-CODE\DelphiShared\Test.txt'
//FileName='\\192.168.0.100\DelphiShared\Test.txt'
procedure PrepareToTransferLocalFiles(FileName:string);
begin
  if FindFirst(FileName, faAnyFile, sr) = 0 then
  begin
  	//some code..
  else begin
     WriteLog('[PrepareToTransferLocalFiles] Open File ' + FileName + ' Err: '+intToStr(GetLastError)+' : '+SysErrorMessage(GetLastError)+')' );
   end;
   FindClose(sr);
   //some code..
end;

where am I going wrong?

 

PS
The program uses a browser component that uses network authentication when it needs to access protected folders.

[PeterBelow 238]

You need file system level authentification to access files on the LAN via file system API functions, see WNetAddConnection3 if this is for Windows. For web folders you have to use something like ftp if the server supports it.

[gioma 19]

23 hours ago, PeterBelow said:

You need file system level authentification to access files on the LAN via file system API functions, see WNetAddConnection3 if this is for Windows. For web folders you have to use something like ftp if the server supports it.

thanks for the reply.
Yes, what you say is already done by the browser component, the problem is another, for network paths I always have to add the prefix "\\?\UNC\" otherwise it doesn't work. 

[DelphiUdIT 178]

For a long time I have always used the form "\\?\". It has some advantages (like bypass MAX_PATH limits and the name parsing).

See here: https://learn.microsoft.com/en-us/windows/win32/fileio/naming-a-file?redirectedfrom=MSDN#win32-file-namespaces

 

Bye

Edited November 27 by DelphiUdIT