private void Timer_Elapsed(object sender, ElapsedEventArgs e)
{
// System.Diagnostics.Trace.WriteLine("tick...");
if (!IsSwitching)
{
IsSwitching = true;
Task.Run(() => {
try
{
Dispatcher.Invoke(() => { Image = nextImage; });
nextImage = HpaClient.getRandImageTask().Result;
}
catch (Exception ex) {
MessageBox.Show("Exception: " + ex.ToString());
}
finally
{
IsSwitching = false;
}
});
}
}
public void StartShow()
{
timer = new Timer();
timer.Interval = 10000;
timer.AutoReset = true;
timer.Elapsed += Timer_Elapsed;
timer.Start();
IsSwitching = true;
try
{
Image = HpaClient.getRandImageTask().Result;
nextImage = HpaClient.getRandImageTask().Result;
}
catch (Exception ex)
{
MessageBox.Show("first init exception: " + ex.ToString());
}
finally
{
IsSwitching = false;
}
}
