/// <summary>
/// Gets the <see cref="ResourceManager"/> set for the object.
/// </summary>
/// <returns>
/// A <see cref="ResourceManager"/> or null if no explicit value is set for the object.
/// </returns>
public ResourceManager GetResourceManager()
{
var obj = Object;
if (obj == null)
{
return(null);
}
ResourceManager result;
if (obj.CheckAccess())
{
result = LocalizationScope.GetResourceManager(obj);
}
else
{
result = (ResourceManager)obj.Dispatcher.Invoke(new DispatcherOperationCallback(x => LocalizationScope.GetResourceManager((DependencyObject)x)), obj);
}
if (result == null)
{
result = LocalizationManager.DefaultResourceManager;
}
return(result);
}
/// <summary>
/// Determines the <see cref="ResourceManager"/> to use for the specified <see cref="DependencyObject"/>.
/// </summary>
/// <param name="obj"></param>
/// <returns></returns>
/// <exception cref="InvalidOperationException">The method is not called on the UI thread of the specified <see cref="DependencyObject"/>.</exception>
public static ResourceManager GetResourceManager(DependencyObject obj)
{
if (obj == null)
{
throw new ArgumentNullException(nameof(obj));
}
obj.VerifyAccess();
var resourceManager = LocalizationScope.GetResourceManager(obj);
if (resourceManager == null)
{
if (DesignerProperties.GetIsInDesignMode(obj))
{
// Window.GetWindow returns "null" at design time
return(GetDefaultResourceManagerForAssembly(DesignTimeHelper.GetDesignTimeAssembly()));
}
else
{
var window = Window.GetWindow(obj);
if (window != null)
{
var localValue = window.ReadLocalValue(DefaultResourceManagerProperty);
if (localValue == DependencyProperty.UnsetValue)
{
resourceManager = GetDefaultResourceManagerForAssembly(window.GetType().Assembly);
window.SetValue(DefaultResourceManagerProperty, resourceManager);
}
else
{
resourceManager = localValue as ResourceManager;
}
}
}
}
return(resourceManager);
}