c++ - CopyFile doesn't work with environmental strings but works only with standard directories where files are placed. Anyway to get past this? -

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I want to copy a file directly from WinAPI using the CopyFile () function.

The code works, but the file is not copied.

Here is the code - 

  copyfile ("%% temp %% \\ test.txt" "," D: \\ Tutorial \\ test.txt ", Incorrect);   
 If I type something like  %% temp %% \\ test.txt  to  D: \ test \ test.txt  
 How do any ideas get past this?   
 
 
 The path to the Win32 file API requires the actual path, not the string expression that evaluates the paths They do not extend the variable.  
 If you want to expand the variable on a path, then pass it through  ExpandEnvironmentStrings  (and one %  before and  CopyFile .   
               
 Of course, if you are trying hard disk access to a temporary directory ,>% TEMP% \ test.txt  in a configuration file, then you should instead call  GetTempPath  for a temporary directory OS Policy should be used. (Later, use  PathCchCombine  to merge the directory name and file name)

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