public CocoaApplication()
{
Factory = new CocoaUiFactory();
SynchronizationContext = new CocoaSynchronizationContext();
Handle = AppKit.Call("NSApplication", "sharedApplication");
appDelegate = AppDelegateDefinition.CreateInstance(this);
ObjC.Call(Handle, "setActivationPolicy:", IntPtr.Zero);
ObjC.Call(Handle, "setDelegate:", appDelegate.Handle);
ObjC.SetProperty(AppKit.GetClass("NSWindow"), "allowsAutomaticWindowTabbing", false);
}