private void Page_KeyDown(object sender, KeyEventArgs e)
{
if (e.Key == Key.Shift)
{
e.Handled = true;
ColorsListbox.ByNumber = !ColorsListbox.ByNumber;
listTraversed += new ColorListTraversed(ColorfulPageOne_listTraversed);
lastInterval = colorTimer.Interval;
colorTimer.Interval = TimeSpan.FromMilliseconds(0.1);
StartShowMessage(ColorsListbox.ByNumber?"By Number":"By Name", 1.0, 0.3);
}
else if (e.Key == Key.Escape)
{
e.Handled = true;
colorTimerStopped = !colorTimerStopped;
if (colorTimerStopped)
{
colorTimer.Stop();
}
else
{
colorTimer.Start();
}
StartShowMessage(colorTimerStopped?"Stopped":"Started", 2.0, 0.1);
}
}
void ColorfulPageOne_listTraversed()
{
listTraversed -= new ColorListTraversed(ColorfulPageOne_listTraversed);
listTraversed = null;
colorTimer.Interval = lastInterval;
}
