- Using the recommanded pattern to acquire the token (AcquireTokenSilent first)

- Improving the layout as the search status was troncated vertically

Author: jmprieur

DirSearchClient-Universal/MainPage.xaml

@@ -26,7 +26,7 @@
         <Grid Grid.Row="1" x:Name="SearchRoot" Margin="20,20,20,0">
             <Grid.RowDefinitions>
                 <RowDefinition Height="80" />
-                <RowDefinition Height="40" />
+                <RowDefinition Height="50" />
             </Grid.RowDefinitions>
             <Grid Grid.Row="0" x:Name="searchRow">
                 <Grid.ColumnDefinitions>

DirectorySearcherLib/DirectorySearcher.cs

@@ -25,15 +25,19 @@ public static async Task<List<User>> SearchByAlias(string alias, IPlatformParame
             AuthenticationResult authResult = null;
             JObject jResult = null;
             List<User> results = new List<User>();
+            AuthenticationContext authContext = new AuthenticationContext(commonAuthority);
 
             try
             {
                 // To avoid the user consent page, input the values for your registered application above,
                 // comment out the if statement immediately below, and replace the commonAuthority parameter
                 // with https://login.microsoftonline.com/common/<your.tenant.domain.com>
-                AuthenticationContext authContext = new AuthenticationContext(commonAuthority);
                 if (authContext.TokenCache.ReadItems().Count() > 0)
                     authContext = new AuthenticationContext(authContext.TokenCache.ReadItems().First().Authority);
+                authResult = await authContext.AcquireTokenSilentAsync(graphResourceUri, clientId);
+            }
+            catch(AdalSilentTokenAcquisitionException)
+            {
                 authResult = await authContext.AcquireTokenAsync(graphResourceUri, clientId, returnUri, parent);
             }
             catch (Exception ee)