private static DrawingBrush GetIconFromUnInitializedDesigner(ActivityDesigner designer)
{
DrawingBrush icon = null;
if (designer != null)
{
// force the designer to load
designer.BeginInit();
// An exception will be thrown, if BeginInit is called more than once on
// the same activity designer prior to EndInit being called. So we call
// EndInit to avoid that, note this will cause an Initialized event.
designer.EndInit();
if (designer.Icon == null)
{
// the loading of the default icon depends on Activity.Loaded event.
// however the designer might not be loaded unless it is added to the
// designer surface. So we load the default icon manually here.
icon = designer.GetDefaultIcon();
}
else
{
icon = designer.Icon;
}
}
return(icon);
}