async void myCallback_MessageReceived(object sender, MessageEventArgs e)
{
MyCallback myCallback = (MyCallback)sender;
await lblMsg.Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, () =>
{
lblMsg.Text += e.Message;
lblMsg.Text += Environment.NewLine;
});
}
protected override void OnNavigatedTo(NavigationEventArgs e)
{
NativeDll.DemoCx demoCx = new NativeDll.DemoCx();
MyCallback myCallback = new MyCallback();
myCallback.MessageReceived += myCallback_MessageReceived;
demoCx.SetCallback(myCallback);
// C# 调用 C++/CX
lblMsg.Text += demoCx.HelloCx("cs to c++/cx");
lblMsg.Text += Environment.NewLine;
// C# 通过 C++/CX 调用 C/C++
lblMsg.Text += demoCx.HelloCpp("cs to c++/cx to c/c++");
lblMsg.Text += Environment.NewLine;
}