private static void ControlInvoke(Control ctrl, Action <AsyncTask> callback, AsyncTask task)
{
if (ctrl != null)
{
EventHandler Invoker = null;
Invoker = (object sender, EventArgs e) =>
{
ctrl.HandleCreated -= Invoker;
callback(task);
};
if (ctrl.IsHandleCreated)
{
ctrl.Invoke(new Action(() =>
{
callback(task);
}));
}
else
{
ctrl.HandleCreated += Invoker;
}
}
}