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Categories / Delphi / Procedures

 

Erase - erase a file system unit

procedure Erase ( var FileHandle : File; ) ; Description The Erase procedure attempts to erase a file given by the FileHandle. The file name must have been assigned to the given FileHandle by the AssignFile routine. If the file does not exist, then the EInOutError exception is raised. Related commands DeleteFile Delete a file specified by its file name Rename Rename a file RenameFile Rename a file or directory Example code : Create a simple file, then try to delete it twice var myFile : TextFile; begin // Let us open a text file AssignFile(myFile, 'Test.txt'); ReWrite(myFile); // And write a single line to it WriteLn(myFile, 'Hello World'); // Then close it CloseFile(myFile); // And finally erase it Erase(myFile); // If we try to raise it again, we'll raise an exception try Erase(myFile); except on E : Exception do ShowMessage('Cannot erase : '+E.Message); end; end; Show full unit code Cannot erase : File not found