static void WindowActivating(object sender, WindowActivateEventArgs e)
{
Trace.WriteLine("WindowActivating");
if (Keyboard.FocusedElement == null &&
_lastFocusedElement != null &&
_lastFocusedElement.IsAlive)
{
var elementToSetFocus = _lastFocusedElement.Target as ILayoutElement;
if (elementToSetFocus != null)
{
var manager = elementToSetFocus.Root.Manager;
if (manager == null)
{
return;
}
IntPtr parentHwnd;
if (!manager.GetParentWindowHandle(out parentHwnd))
{
return;
}
if (e.HwndActivating != parentHwnd)
{
return;
}
_setFocusAsyncOperation = Dispatcher.CurrentDispatcher.BeginInvoke(new Action(() =>
{
try
{
SetFocusOnLastElement(elementToSetFocus);
}
finally
{
_setFocusAsyncOperation = null;
}
}), DispatcherPriority.Background);
}
}
}
static void WindowActivating(object sender, WindowActivateEventArgs e)
{
Debug.WriteLine("WindowActivating");
if (Keyboard.FocusedElement == null &&
_lastFocusedElement != null &&
_lastFocusedElement.IsAlive)
{
var elementToSetFocus = _lastFocusedElement.Target as ILayoutElement;
if (elementToSetFocus != null)
{
var manager = elementToSetFocus.Root.Manager;
if (manager == null)
return;
IntPtr parentHwnd;
if (!manager.GetParentWindowHandle(out parentHwnd))
return;
if (e.HwndActivating != parentHwnd)
return;
_setFocusAsyncOperation = Dispatcher.CurrentDispatcher.BeginInvoke(new Action(() =>
{
try
{
SetFocusOnLastElement(elementToSetFocus);
}
finally
{
_setFocusAsyncOperation = null;
}
}), DispatcherPriority.Background);
}
}
}