private void SendTrackFocusEvent(TrackFocusEventArgs e)
{
EventHandler <TrackFocusEventArgs> eventHandler = this._trackFocusDelegate;
if (eventHandler == null)
{
return;
}
eventHandler((object)this, e);
}
private void OnTrackFocus(object sender, TrackFocusEventArgs e)
{
if (this.IsSelfOrDescendentWindow(e.HwndGainFocus))
{
if (!this._takingWin32Focus && Keyboard.FocusedElement != this && !this.IsSelfOrDescendentWindow(e.HwndLoseFocus))
{
this.SetFocusToHwndHost(false, e.HwndGainFocus);
return;
}
}
else if (e.HwndGainFocus != IntPtr.Zero && this.IsSelfOrDescendentWindow(e.HwndLoseFocus) && !this._takingWpfFocus && this._hwndSource != null && e.HwndGainFocus == this._hwndSource.Handle && this._hwndSource.RootVisual != null)
{
FocusManager.SetFocusedElement(this._hwndSource.RootVisual, null);
}
}
