Mega Code Archive

 

Categories / Delphi / Procedures

 

Mkdir - make a directory system unit

procedure MkDir ( const DirectoryName : string ) ; Description The MkDir procedure makes a new directory in the current directory. If the directory already exists, an EInOutError exception is thrown. You can avoid such an exception by preventing IO errors using the {$IOChecks Off} compiler directive. You must then check the IOResult value to see the outcome of your IO operation (rememering that use of IOResult resets the value). Related commands $IOChecks When on, an IO operation error throws an exception ChDir Change the working drive plus path for a specified drive CreateDir Create a directory GetCurrentDir Get the current directory (drive plus directory) GetDir Get the default directory (drive plus path) for a specified drive IOResult Holds the return code of the last I/O operation RemoveDir Remove a directory RmDir Remove a directory SelectDirectory Display a dialog to allow user selection of a directory SetCurrentDir Change the current directory ForceDirectories Create a new path of directories Example code : Create a directory and then remove it var error : Integer; begin // Try to create a new subdirectory in the current directory // Switch off I/O error checking {$IOChecks off} MkDir('TempDirectory'); // Did the directory get created OK? error := IOResult; if error = 0 then ShowMessage('Directory created OK') else ShowMessageFmt('Directory creation failed with error %d',[error]); // Delete the directory to tidy up RmDir('TempDirectory'); {$IOChecks on} end; Show full unit code Directory created OK