Update UI control from 2. thread

gistfile1.cs

//Control.Invoke: Executes on the UI thread, but calling thread waits for completion before continuing.
//Control.BeginInvoke: Executes on the UI thread, and calling thread doesn't wait for completion.
//Normally every BeginXXX should have a corresponding EndXXX call, usually in the callback.

public void updateGuiFromWorkerThread(String message, Color color)
{
    Invoke(new StatusEventHandler(UpdateUI), new StatusArguments(message, color));
}

private void UpdateUI(StatusArguments e)
{
    lblStatus.Text = "Status: " + e.message; 
    lblStatus.BackColor = e.color;
}

private delegate void StatusEventHandler(StatusArguments e);

private class StatusArguments : System.EventArgs
{
    public String message;
    public Color color;

    public StatusArguments(String message, Color color)
    {
        this.message = message;
        this.color = color;
    }
}