The 'await' operator can only be used within an async lambda expression

Question

I\'ve got a c# Windows Store app. I\'m trying to launch a MessageDialog when one of the command buttons inside another MessageDialog is clicked. Th

Answer 1

You must mark your lambda expression as async, like so:

messageDialog.Commands.Add(new UICommand("No", async (command) =>
{
    await showSaveDialog();
}));