private Dictionary <IntPtr, Window> GetWindows()
{
Dictionary <IntPtr, Window> windows = new Dictionary <IntPtr, Window>();
Stack <IntPtr> current = WinEnum.Enum();
IntPtr top = GetForegroundWindow();
while (current.Count > 0)
{
IntPtr hwnd = current.Pop();
windows.Add(hwnd, new Window(hwnd, top == hwnd));
}
return(windows);
}
private void WinWatcher(object sender, DoWorkEventArgs e)
{
Dictionary <IntPtr, Window> knownWindows = GetWindows();
while (!Cancel)
{
Thread.Sleep(100); // no cpu hogging
IntPtr top = GetForegroundWindow();
Stack <IntPtr> openWindows = WinEnum.Enum();
var closed = knownWindows.Keys.Except(openWindows).ToArray(); // 3-21-15 It needs to be copied. Don't use the ExceptIterator
if (OnWindowClose == null)
{
foreach (IntPtr hwnd in closed)
{
knownWindows.Remove(hwnd);
}
}
else
{
foreach (IntPtr hwnd in closed)
{
Window win = knownWindows[hwnd];
if (!win.IsTitleEmpty())
{
OnWindowClose.Invoke(win, EventArgs.Empty);
}
knownWindows.Remove(hwnd);
}
}
while (openWindows.Count > 0)
{
IntPtr hwnd = openWindows.Pop();
Window win;
if (knownWindows.TryGetValue(hwnd, out win))
{
win.Update(top == hwnd);
while (win.QueueCount > 0)
{
SysEvent sysEvent = win.Dequeue();
if (OnWindowMinimize != null && sysEvent == SysEvent.OnWindowMinimize)
{
OnWindowMinimize.Invoke(win, EventArgs.Empty);
}
if (OnWindowMaximize != null && sysEvent == SysEvent.OnWindowMaximize)
{
OnWindowMaximize.Invoke(win, EventArgs.Empty);
}
if (OnWindowTitleChange != null && sysEvent == SysEvent.OnWindowTitleChange)
{
OnWindowTitleChange.Invoke(win, EventArgs.Empty);
}
if (OnWindowFocus != null && sysEvent == SysEvent.OnWindowFocus)
{
OnWindowFocus.Invoke(win, EventArgs.Empty);
}
if (OnWindowNoFocus != null && sysEvent == SysEvent.OnWindowNoFocus)
{
OnWindowNoFocus.Invoke(win, EventArgs.Empty);
}
if (OnWindowHide != null && sysEvent == SysEvent.OnWindowHide)
{
OnWindowHide.Invoke(win, EventArgs.Empty);
}
if (OnWindowShow != null && sysEvent == SysEvent.OnWindowShow)
{
OnWindowShow.Invoke(win, EventArgs.Empty);
}
}
}
else
{
win = new Window(hwnd, top == hwnd);
if (OnWindowOpen != null && !win.IsTitleEmpty())
{
OnWindowOpen.Invoke(win, EventArgs.Empty);
}
knownWindows.Add(hwnd, win);
}
}
}
e.Cancel = true;
}