macro for game

private void button1_Click(object sender, EventArgs e)
{
    // Find The Window Handle For Lineage 2
    IntPtr handle = FindWindow("L2UnrealWWindowsViewportWindow", "Lineage II");
    if (!handle.Equals(IntPtr.Zero))
    {

        // Activate The Lineage 2 Window
        if (SetForegroundWindow(handle))

            // send "Send The TextBox Text To The Lineage 2 Window"
            SendKeys.SendWait(Username.Text);
            SendKeys.SendWait("{TAB}");
            SendKeys.SendWait(Password.Text);
    }
}