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Format a drive

This article demonstrates how to format a drive from a Delphi application. procedure FormatDriveDialog; begin ShellExecute(Application.Handle, 'Open', 'C:\Windows\Rundll32.exe', 'Shell32.dll,SHFormatDrive', 'C:\Windows', SW_SHOWNORMAL); end; function SHFormatDrive(hWnd : HWnd; Drive, fmtID, Options : LongInt):longint; stdcall; external 'shell32.dll'; procedure QuietFormatDrive; const SHFMT_ID_DEFAULT = $FFFF; SHFMT_OPT_QUICK = $0000; SHFMT_OPT_FULL = $0001; SHFMT_OPT_SYSONLY = $0002; SHFMT_ERROR = $FFFFFFFF; SHFMT_CANCEL = $FFFFFFFE; SHFMT_NOFORMAT = $FFFFFFFD; begin case SHFormatDrive(Handle, 0, SHFMT_ID_DEFAULT, SHFMT_OPT_FULL) of SHFMT_ERROR : ShowMessage('Error on last format, drive may be formatable'); SHFMT_CANCEL : ShowMessage('Last format was canceled'); SHFMT_NOFORMAT : ShowMessage('Drive is not formatable'); end; end;