bool Camera_ASCOMLateClass::Create(DispatchObj *obj, DispatchClass *cls)
{
IDispatch *idisp = m_gitEntry.Get();
if (idisp)
{
obj->Attach(idisp, cls);
return true;
}
BSTR bstr_progid;
if (!GetDriverProgId(&bstr_progid, m_choice))
return false;
if (!obj->Create(bstr_progid))
{
Debug.AddLine("ASCOM Camera: Could not get CLSID for camera " + m_choice);
return false;
}
m_gitEntry.Register(*obj);
return true;
}
bool ScopeASCOM::Create(DispatchObj& obj)
{
try
{
// is there already an instance registered in the global interface table?
IDispatch *idisp = m_gitEntry.Get();
if (idisp)
{
obj.Attach(idisp, NULL);
return true;
}
BSTR bstr_progid;
if (!GetDriverProgId(&bstr_progid, m_choice))
{
throw ERROR_INFO("ASCOM Scope: Chooser returned an error");
}
if (!obj.Create(bstr_progid))
{
throw ERROR_INFO("Could not establish instance of " + wxString(bstr_progid));
}
Debug.AddLine(wxString::Format("pScopeDriver = 0x%p", obj.IDisp()));
// store the driver interface in the global table for access by other threads
m_gitEntry.Register(obj);
}
catch (const wxString& msg)
{
Debug.Write(msg + "\n");
return false;
}
return true;
}
