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...retrieve the URL of the foreground IE instance?
Autor: Thomas Stutz
[ Print tip ]  

Tip Rating (9):  
     


uses
  
ActiveX, Shdocvw_tlb, MSHTML_TLB;

type
  
TObjectFromLResult = function(LRESULT: lResult; const IID: TIID;
    wParam: wParam; out pObject): HRESULT;
  stdcall;


function GetIEFromHWND(WHandle: HWND; var IE: IWebbrowser2): HRESULT;
var
  
hInst: HWND;
  lRes: Cardinal;
  Msg: Integer;
  pDoc: IHTMLDocument2;
  ObjectFromLresult: TObjectFromLresult;
begin
  
hInst := LoadLibrary('Oleacc.dll'); @ObjectFromLresult :=
    GetProcAddress(hInst, 'ObjectFromLresult');
  if @ObjectFromLresult <> nil then
  begin
    try
      
Msg := RegisterWindowMessage('WM_HTML_GETOBJECT');
      SendMessageTimeOut(WHandle, Msg, 0, 0, SMTO_ABORTIFHUNG, 1000, lRes);
      Result := ObjectFromLresult(lRes, IHTMLDocument2, 0, pDoc);
      if Result = S_OK then
        
(pDoc.parentWindow as IServiceprovider).QueryService(IWebbrowserApp,
          IWebbrowser2, IE);
    finally
      
FreeLibrary(hInst);
    end;
  end;
end;

function GetActiveIEURL: string;
var
  
Document: IHtmlDocument2;
  IE: IWebBrowser2;
  Wnd: HWND;
  WndChild: HWND;
begin
  
Wnd := GetForeGroundWindow;
  WndChild := FindWindowEX(Wnd, 0, 'Shell DocObject View', nil);
  if WndChild <> 0 then
  begin
    
WndChild := FindWindowEX(WndChild, 0, 'Internet Explorer_Server', nil);
    if WndChild <> 0 then
    begin
      
//Get Iwebbrowser2 from Handle
      
GetIEFromHWnd(WndChild, IE);
      if IE <> nil then
      begin
        
Result := IE.LocationURL;
        // Document := IE.Document as IHtmlDocument2;
      
end;
    end;
  end;
end;

procedure TForm1.Timer1Timer(Sender: TObject);
begin
  
Caption := GetActiveIEURL;
end;


 

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