// This is called when the user select open from the file menu.
public new int runModalOpenPanel_forTypes(NSOpenPanel openPanel, NSArray types)
{
openPanel.setTreatsFilePackagesAsDirectories(true);
int result = SuperCall(NSDocumentController.Class, "runModalOpenPanel:forTypes:", openPanel, types).To<int>();
if (result == Enums.NSOKButton)
{
uint count = openPanel.URLs().count();
if (!NSApplication.sharedApplication().delegate_().Call("shouldOpenFiles:", count).To<bool>())
result = Enums.NSCancelButton;
}
return result;
}