void ChangeDataContext_Handler(object sender, ChangeDataContextEventArgs e)
{
if (e.Refresh)
{
var l = ((Entity)this.DataContext).ToLite().Retrieve();
this.DataContext = null;
this.DataContext = l;
e.Handled = true;
}
else
{
if (e.NewDataContext == null)
{
throw new ArgumentNullException("NewDataContext");
}
Type type = Common.GetPropertyRoute(MainControl).Type;
Type entityType = e.NewDataContext.GetType();
if (type != null && !type.IsAssignableFrom(entityType))
{
throw new InvalidCastException("The DataContext is a {0} but TypeContext is {1}".FormatWith(entityType.Name, type.Name));
}
DataContext = null;
DataContext = e.NewDataContext;
e.Handled = true;
}
}
void ChangeEntity(object sender, ChangeDataContextEventArgs e)
{
if (e.Refresh)
{
var lite = (Entity as IEntity)?.ToLite();
if (lite != null)
{
this.Entity = null;
this.Entity = lite.Retrieve();
}
}
else
{
this.Entity = null;
this.Entity = e.NewDataContext;
}
e.Handled = true;
}
void ChangeEntity(object sender, ChangeDataContextEventArgs e)
{
if (e.Refresh)
{
var lite = (Entity as IIdentifiable).ToLite();
if (lite != null)
{
this.Entity = null;
this.Entity = lite.Retrieve();
}
}
else
{
this.Entity = null;
this.Entity = e.NewDataContext;
}
e.Handled = true;
}
void ChangeDataContext_Handler(object sender, ChangeDataContextEventArgs e)
{
if (e.Refresh)
{
var l = ((IdentifiableEntity)this.DataContext).ToLite().Retrieve();
this.DataContext = null;
this.DataContext = l;
e.Handled = true;
}
else
{
if (e.NewDataContext == null)
throw new ArgumentNullException("NewDataContext");
Type type = Common.GetPropertyRoute(MainControl).Type;
Type entityType = e.NewDataContext.GetType();
if (type != null && !type.IsAssignableFrom(entityType))
throw new InvalidCastException("The DataContext is a {0} but TypeContext is {1}".Formato(entityType.Name, type.Name));
DataContext = null;
DataContext = e.NewDataContext;
e.Handled = true;
}
}
