// obsluha události
public void ModuleLoadNotifyHandler(object sender, ModuleLoadedEventArgs e)
{
_apiDictionary = _modulesControl.GetModules();
if (e.Error)
{
ModulesError++;
}
else
{
ModulesOk++;
}
// přepis GUI z jiného vlákna
if (Application.Current.Dispatcher != null)
{
Application.Current.Dispatcher.Invoke(() =>
{
comboBox.ItemsSource = _apiDictionary;
tbOk.Text = ModulesOk.ToString();
tbError.Text = ModulesError.ToString();
});
}
}
protected virtual void OnModuleLoaded(ModuleLoadedEventArgs e)
{
EventHandler <ModuleLoadedEventArgs> handler = Changed;
if (Changed != null)
{
Changed(this, e);
}
}
public void LoadModules()
{
Debug.WriteLine($"ModulesControl.LoadModules()");
foreach (var file in _moduleFiles)
{
try
{
Debug.WriteLine($"Nahravam modul {file}.");
var asm = Assembly.LoadFrom(file);
var typeExchangeRates = asm.GetType("wpfapp.ExchangeRates");
if (typeExchangeRates.GetInterface("IExchangeRates") == null)
{
Trace.WriteLine($"Chyba v modulu {file}. Neni naimplementovano pozadovane rozhrani.");
ModuleLoadedEventArgs argsE = new ModuleLoadedEventArgs()
{
Error = true
};
OnModuleLoaded(argsE);
}
var propApiName = typeExchangeRates.GetProperty("ApiName");
IExchangeRates exRates = (IExchangeRates)Activator.CreateInstance(typeExchangeRates, _httpClient);
string apiName = (string)propApiName.GetValue(exRates, null);
if (apiName == null)
{
Trace.WriteLine($"Chyba v modulu {file}. Knihovna nema nastavene jmeno.");
ModuleLoadedEventArgs argsE = new ModuleLoadedEventArgs()
{
Error = true
};
OnModuleLoaded(argsE);
}
_apiDictionary.Add(apiName, exRates);
// vyvoláme událost OK
Trace.WriteLine($"Modul {file} byl uspesne nacten.");
ModuleLoadedEventArgs argsOK = new ModuleLoadedEventArgs()
{
Error = false
};
OnModuleLoaded(argsOK);
}
catch (Exception ex)
{
Trace.WriteLine($"Knihovnu '{file}' nelze načíst.");
// vyvoláme událost ERROR
ModuleLoadedEventArgs args = new ModuleLoadedEventArgs()
{
Error = true
};
OnModuleLoaded(args);
}
// umělé čekání
Thread.Sleep(1500);
}
Debug.WriteLine($"ModulesControl.LoadModules() - KONEC");
}