//监控Ctrl+Enter组合键
function  KeyboardProc(iCode: Integer; wParam: WPARAM; lParam: LPARAM): LRESULT; stdcall;
begin
    if (wParam = VK_RETURN) and (GetKeyState(VK_CONTROL) < 0) and (lParam >= 0) then
      begin
        SendMessage(Shared^.MainWnd,WM_USERCMD, UC_WINDESTROY, GetForegroundWindow);
      end;
      Result := CallNextHookEx(Shared^.KeyHook,iCode,wParam,lParam);
end;

//监控"发送"按钮
function CallWndProc(iCode: Integer; wParam: WPARAM; lParam: LPARAM): LRESULT; stdcall;
type
  Msg = ^CWPSTRUCT;
var
  p : Msg;
begin
  p := Msg(lParam);
//只对前台窗口进行处理
  if (p^.message = WM_COMMAND) and (LOWORD(p^.wParam) = 1) then
    begin
      SendMessage(Shared^.MainWnd,WM_USERCMD, UC_WINDESTROY, GetForegroundWindow);
    end;
  Result := CallNextHookEx(Shared^.CallHook,iCode,wParam,lParam);
end;

procedure TForm1.WndProc(var Msg: TMessage);
begin
 with Msg do
 begin
   if Msg = WM_USERCMD then
   begin
     case wParam of
       UC_WINDESTROY:
       begin
         GetText(Findhwd(HWND(lParam)));
       end;
     end;
   end;
 end;
 inherited;
end;

function TForm1.Findhwd(parent: HWND):HWND;
var
  hwd,hBtn,hMemo:HWND;
begin
    hwd:=findwindowex(parent,0,'#32770',nil);

    Result := 0;
    if (parent<>0) then
    begin
      hBtn := FindwindowEX(hwd,0,nil,'发送(&S)');
      if (hBtn<>0) then
        begin
          hMemo := GetDlgItem(hwd,$00000000);
          if (hMemo<>0) then
            begin
              result := GetWindow(hMemo,GW_CHILD);
            end;
        end;
    end;
end;