找到办法了 ,这样就好了
auto uiDelegate = [this]() { ...... } Dispatcher->RunAsync(CoreDispatcherPriority::High, ref new Windows::UI::Core::DispatchedHandler(uiDelegate));
http://msdn.microsoft.com/en-us/library/windows/apps/windows.ui.core.dispatchedhandler
publicdelegatevoid DispatchedHandler()无参无返回值的Lambda表达式即可
publicdelegatevoid DispatchedHandler()
无参无返回值的Lambda表达式即可