public void OpenForm()
{
var document = new DocumentsForm();
document.Show();
}
//static Reciver reciver = new Reciver();
//static OpenCommand command = new OpenCommand(reciver);
//private Invoker invoker = new Invoker(command);
private void OpenFormDocument(object arg)
{
//invoker.Open();
var document = new DocumentsForm();
document.Show();
}