public void AddMessageFilter() { if (null != _filter) return; _filter = new PreMessageFilter(); Application.AddMessageFilter(_filter); }
public void AddMessageFilter() { //if (null != _filter) return; _filter = new PreMessageFilter(); Application.AddMessageFilter(_filter); }
public void RemoveMessageFilter() { if (null == _filter) { return; } Application.RemoveMessageFilter(_filter); _filter = null; }