Use the ShellAPI function ShellExecute().

Example:

uses ShellAPI;

procedure TForm .Button Click(Sender: TObject); var DocFileName : string; DocFileDir : string; begin DocFileName := 'C:\DownLoad\somefile.htm'; DocFileDir := ExtractFileDir(DocFileName); ShellExecute(Form .Handle, nil, pChar(DocFileName), nil, pChar(DocFileDir), SW_SHOWNORMAL); end; 7/ 6/98 4:3 :28 PM