void RegisterTab(HWND tab, HWND owner)
{
ITaskbarList4 *taskbar;
if(!(tab && owner))
return;
if(S_OK != CoCreateInstance(CLSID_TaskbarList, 0, CLSCTX_INPROC_SERVER, IID_ITaskbarList4, (void**)&taskbar))
return;
taskbar->HrInit();
taskbar->RegisterTab(tab, owner);
taskbar->Release();
}
static inline ITaskbarList4 *createTaskbarList()
{
ITaskbarList4 *result = 0;
HRESULT hresult = CoCreateInstance(CLSID_TaskbarList, 0, CLSCTX_INPROC_SERVER, qIID_ITaskbarList4, reinterpret_cast<void **>(&result));
if (FAILED(hresult)) {
const QString err = QtWin::errorStringFromHresult(hresult);
qWarning("QWinThumbnailToolBar: qIID_ITaskbarList4 was not created: %#010x, %s.",
(unsigned)hresult, qPrintable(err));
return 0;
}
hresult = result->HrInit();
if (FAILED(hresult)) {
result->Release();
const QString err = QtWin::errorStringFromHresult(hresult);
qWarning("QWinThumbnailToolBar: qIID_ITaskbarList4 was not initialized: %#010x, %s.",
(unsigned)hresult, qPrintable(err));
return 0;
}
return result;
}