SelectDirectory

function SelectDirectory(

  const Caption: string;

  const InitialDirectory: string;

  out Directory: string

):Boolean;

function SelectDirectory(

  const Caption: string;

  const InitialDirectory: string;

  out Directory: string;

  ShowHidden: Boolean;

  HelpCtx: LongInt = 0

):Boolean;

function SelectDirectory(

  out Directory: string;

  Options: TSelectDirOpts;

  HelpCtx: LongInt

):Boolean;