HRESULT CDockingTabFrame::AddTabWindow(INT_PTR hWnd, BSTR bstrName, VARIANT vPict, INT_PTR *phHandle)
{
if (NULL == phHandle)
return E_POINTER;
*phHandle = NULL;
USES_CONVERSION;
COM_TRY {
if (SUCCEEDED(FindTabWindow(bstrName, phHandle)) && hWnd == *phHandle)
return S_FALSE; // existierte bereits
*phHandle = NULL; // doch nichts
// neue TablaschenDaten erzeugen
_ASSERTE(::IsWindow(reinterpret_cast<HWND>(hWnd)));
CTabData *pTabData = new CTabData;
CWnd *pWnd = CWnd::FromHandlePermanent(reinterpret_cast<HWND>(hWnd));
if (NULL == pWnd) {
// hWnd ist kein MFC-Fenster
pWnd = new CWnd;
pWnd -> Attach(reinterpret_cast<HWND>(hWnd)); // trägt hWnd in CWndMap ein
pTabData -> m_fIsAttached = true;
pTabData -> m_pWnd = pWnd;
pTabData -> m_hOldParentWnd = ::GetParent(reinterpret_cast<HWND>(hWnd));
pWnd -> SetParent(&m_wndTab);
}
else {
pTabData -> m_fIsAttached = false;
pTabData -> m_pWnd = pWnd;
pTabData -> m_hOldParentWnd = NULL;
}
// erzeugen der TabLasche, speichern der eigenen Daten
SECTab *pTab = m_wndTab.AddTab(pWnd, OLE2A(bstrName));
pTab -> m_pExtra = pTabData;
// ggf. Bildchen hinzufügen
WPictureDisp PictDisp;
if (SUCCEEDED(RetrievePicture(vPict, PictDisp.ppi()))) {
CPicture Pict (PictDisp, false);
_ASSERTE(NULL != Pict.GetHandle());
m_wndTab.SetTabIcon(m_wndTab.GetTabCount()-1, reinterpret_cast<HICON>(Pict.GetHandle()));
}
// Erfolg: Fensterhandle wieder zurückliefern
*phHandle = hWnd;
} COM_CATCH;
return S_OK;
}
STDMETHODIMP CToolBarButton::GetImage (long *phBitmap, int *piCnt, int *piOffset)
{
if (NULL == phBitmap) return E_POINTER;
if (BUTTONSTYLE_SEPARATOR == m_tb.fsStyle)
return E_FAIL; // Separatoren haben keine Bitmap
CPicture Pict (m_PictDisp, false);
ATLTRY(*phBitmap = Pict.GetHandle());
if (NULL != piCnt) *piCnt = m_iCnt;
if (NULL != piOffset) *piOffset = m_iOffset;
return (NULL != *phBitmap) ? NOERROR : E_FAIL;
}
