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).
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| Related commands | $IOChecks | | When on, an IO operation error throws an exception | ChDir | | Change the working drive plus path for a specified drive | CreateDir | | Create a directory | GetCurrentDir | | Get the current directory (drive plus directory) | GetDir | | Get the default directory (drive plus path) for a specified drive | IOResult | | Holds the return code of the last I/O operation | RemoveDir | | Remove a directory | RmDir | | Remove a directory | SelectDirectory | | Display a dialog to allow user selection of a directory | SetCurrentDir | | Change the current directory | ForceDirectories | | Create a new path of directories |
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Example code : Create a directory and then remove it | var
error : Integer;
begin
 // Try to create a new subdirectory in the current directory
 // Switch off I/O error checking
{$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 |
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