public Main()
{
InitializeComponent();
MainVM = new MainVM{Main = this};
rootGrid.DataContext = MainVM;
InitMenus();
Application.Current.Properties.Add("MainVM", MainVM);
//修复最大化盖住任务栏问题
MaxHeight = SystemParameters.MaximizedPrimaryScreenHeight;
}
static void Run(CancellationToken ct, MainVM vm)
{
while (!ct.IsCancellationRequested)
{
Func<int> regCount = () => MainVM.GetUnreadLogCount(vm.CurrentUser.Id);
AsyncCallback acbRegCount = i => vm.Dispatcher.Invoke(
new Action(() =>
{
int dResult = regCount.EndInvoke(i);
vm.UnreadLogCount = dResult;
}
));
regCount.BeginInvoke(acbRegCount, null);
Thread.Sleep(120000);
}
}
public void Begin(MainVM vm)
{
_cts = new CancellationTokenSource();
var t = new Task(() => Run(_cts.Token, vm), _cts.Token);
t.Start();
}