private static string GetActiveWindowTitle()
{
const int nChars = 256;
StringBuilder Buff = new StringBuilder(nChars);
IntPtr handle = WindowUtils.GetForegroundWindow();
if (WindowUtils.GetWindowText(handle, Buff, nChars) > 0)
{
return(Buff.ToString());
}
return(null);
}
private void StartUpdate()
{
var bufg = BufferedGraphicsManager.Current;
DateTime lastframe = DateTime.Now;
Graphics draw = null;
Logger.LogMessage("Starting update loop");
double fixedwait = (1000 / FPS); // number of msec to wait assuming zero time to draw frame
while (this.run)
{
if (back == null)
{
allocateBuffers(bufg);
}
TimeSpan elapsed = DateTime.Now.Subtract(lastframe);
double wait = fixedwait - elapsed.TotalMilliseconds;
if (wait > 0)
{
System.Threading.Thread.Sleep((int)fixedwait);
}
if (Glass == null)
{
System.Threading.Thread.Sleep(1000);
}
if (Glass != null)
{
Glass.XOffset = VIRTUAL_ORIGIN_X;
Glass.YOffset = VIRTUAL_ORIGIN_Y;
if (this.ForceLocation.HasValue && this.ForceSize.HasValue)
{
Glass.ForceGeometry(this.ForceLocation.Value, this.ForceSize.Value);
}
if (Glass.Follow != null && Glass.Follow.HasExited)
{
Logger.LogMessage(String.Format("{0} has exited. quitting.", Glass.Follow.ProcessName));
System.Environment.Exit(0);
}
if (draw == null)
{
draw = getDraw();
}
if (Graphics == null || draw == null)
{
Thread.Sleep(500);
continue;
}
IntPtr activeWindow = WindowUtils.GetForegroundWindow();
bool foreground = (activeWindow == Glass.Follow.MainWindowHandle);
if (foreground)
{
Debug.WriteLine(DateTime.Now + " window foreground");
}
else
{
Debug.WriteLine(DateTime.Now + " window obscured");
}
bool render = (foreground && (Graphics.Values.Count > 0)) || this.ForceRender;
if (render)
{
lock (Graphics)
{
Draw(draw);
swapBuffers(bufg);
Glass.FollowWindow();
}
}
else
{
// nothing to draw, clear and sleep a long sleep
Clear(draw);
swapBuffers(bufg);
Thread.Sleep(1000);
}
lastframe = DateTime.Now;
}
}
}