public MainWindowViewModel()
{
StatusBar = new StatusBarViewModel();
StatusBar.TimerStart();
SignIn = new SignInViewModel();
TabItems = new DispatcherCollection<TabItemViewModel>(DispatcherHelper.UIDispatcher) {
(SelectedTab = new StartViewModel())
};
VideoTabs = new DispatcherCollection<TabItemViewModel>(DispatcherHelper.UIDispatcher);
UserTabs = new DispatcherCollection<TabItemViewModel>(DispatcherHelper.UIDispatcher);
MylistTabs = new DispatcherCollection<TabItemViewModel>(DispatcherHelper.UIDispatcher);
CommunityTabs = new DispatcherCollection<TabItemViewModel>(DispatcherHelper.UIDispatcher);
LiveTabs = new DispatcherCollection<TabItemViewModel>(DispatcherHelper.UIDispatcher);
PlayListTabs = new DispatcherCollection<TabItemViewModel>(DispatcherHelper.UIDispatcher);
AccessLog = new AccessLogViewModel();
Update = new UpdateViewModel(CurrentVersion);
}