Оформил: DeeCo
Автор: http://www.swissdelphicenter.ch

{ 
  TWebBrowser can use native IE API to print and do other things. 
  Implement on a Form a TWebBrowser component, and a button to print. 
  The code attached to this button is as follow : 
}

 //-------------------------------------------- 

procedure TForm.OnClickPrint(Sender: TObject);
 begin
   WebBrowser.ExecWB(OLECMDID_PRINT, OLECMDEXECOPT_PROMPTUSER);
 end;

 //-------------------------------------------- 

You can replace "OLECMDID_PRINT" by other possibilities :

 OLECMDID_OPEN OLECMDID_NEW OLECMDID_SAVE
 OLECMDID_SAVEAS OLECMDID_SAVECOPYAS OLECMDID_PRINT
 OLECMDID_PRINTPREVIEW OLECMDID_PAGESETUP OLECMDID_SPELL
 OLECMDID_PROPERTIES OLECMDID_CUT OLECMDID_COPY
 OLECMDID_PASTE OLECMDID_PASTESPECIAL OLECMDID_UNDO
 OLECMDID_REDO OLECMDID_SELECTALL OLECMDID_CLEARSELECTION
 OLECMDID_ZOOM OLECMDID_GETZOOMRANGE OLECMDID_UPDATECOMMANDS

 OLECMDID_REFRESH OLECMDID_STOP OLECMDID_HIDETOOLBARS
 OLECMDID_SETPROGRESSMAX OLECMDID_SETPROGRESSPOS
 OLECMDID_SETPROGRESSTEXT

 OLECMDID_SETTITLE OLECMDID_SETDOWNLOADSTATE OLECMDID_STOPDOWNLOAD

 OLECMDID_FIND OLECMDID_ONTOOLBARACTIVATED OLECMDID_DELETE

 OLECMDID_HTTPEQUIV OLECMDID_ENABLE_INTERACTION OLECMDID_HTTPEQUIV_DONE

 OLECMDID_ONUNLOAD OLECMDID_PROPERTYBAG2 OLECMDID_PREREFRESH