private void RefreshTimer_Tick(object sender, EventArgs e)
{
try
{
RefreshTimer.Stop();
if (Visible && Proxy != null)
{
DateTime start = DateTime.Now;
this.PreviewBox.Image = Proxy.AcquireImage();
DateTime end = DateTime.Now;
double acqTime = (end - start).TotalMilliseconds;
// take a little room
acqTime *= 1.2;
if (acqTime > InitialRefreshTime || acqTime * 2 < InitialRefreshTime)
{
InitialRefreshTime = (int)Math.Ceiling(acqTime);
}
}
}
catch
{
}
finally
{
RefreshTimer.Start();
}
}
