public static async Task <PinResult> PinUserSpecificAppToStartMenuAsync(User user, AppListEntry entry) { var resultPinResult = PinResult.UnsupportedOs; if (!ApiInformation.IsTypePresent("Windows.UI.StartScreen.StartScreenManager")) { return(resultPinResult); } if (StartScreenManager.GetForUser(user).SupportsAppListEntry(entry)) { if (await StartScreenManager.GetForUser(user).ContainsAppListEntryAsync(entry)) { resultPinResult = PinResult.PinAlreadyPresent; } else { var result = await StartScreenManager.GetForUser(user).RequestAddAppListEntryAsync(entry); resultPinResult = result ? PinResult.PinPresent : PinResult.PinOperationFailed; } } else { resultPinResult = PinResult.UnsupportedDevice; } return(resultPinResult); }