add sample code

Microsoft.Toolkit.Uwp.SampleApp/SamplePages/RichSuggestBox/RichSuggestBoxPage.xaml.cs

@@ -84,6 +84,7 @@ namespace Microsoft.Toolkit.Uwp.SampleApp.SamplePages
         };
 
         private RichSuggestBox _rsb;
+        private RichSuggestBox _tsb;
 
         public RichSuggestBoxPage()
         {
@@ -107,9 +108,21 @@ namespace Microsoft.Toolkit.Uwp.SampleApp.SamplePages
                 this._rsb.SuggestionsRequested += this.SuggestingBox_OnSuggestionsRequested;
             }
 
-            if (control.FindChildByName("TokenListView") is ListView tls)
+            if (control.FindChildByName("PlainTextSuggestingBox") is RichSuggestBox tsb)
             {
-                tls.ItemsSource = this._rsb?.Tokens;
+                this._tsb = tsb;
+                this._tsb.SuggestionChosen += this.SuggestingBox_OnSuggestionChosen;
+                this._tsb.SuggestionsRequested += this.SuggestingBox_OnSuggestionsRequested;
+            }
+
+            if (control.FindChildByName("TokenListView1") is ListView tls1)
+            {
+                tls1.ItemsSource = this._rsb?.Tokens;
+            }
+
+            if (control.FindChildByName("TokenListView2") is ListView tls2)
+            {
+                tls2.ItemsSource = this._tsb?.Tokens;
             }
         }
 

Microsoft.Toolkit.Uwp.SampleApp/SamplePages/RichSuggestBox/RichSuggestBoxXaml.bind

@@ -40,20 +40,39 @@
     <Grid Margin="40">
         <Grid.RowDefinitions>
             <RowDefinition Height="Auto" />
+            <RowDefinition Height="250" />
             <RowDefinition Height="Auto" />
+            <RowDefinition Height="250" />
         </Grid.RowDefinitions>
 
         <controls:RichSuggestBox x:Name="SuggestingBox"
                                  MaxHeight="400"
                                  HorizontalAlignment="Stretch"
-                                 Header="RichSuggestBox:"
+                                 Header="Rich suggest box sample"
                                  ItemTemplateSelector="{StaticResource SuggestionTemplateSelector}"
                                  Prefixes="@#" />
 
-        <ListView x:Name="TokenListView" 
+        <ListView x:Name="TokenListView1" 
                   Grid.Row="1"
                   Margin="0,16,0,0"
                   HorizontalAlignment="Stretch"
                   ItemTemplate="{StaticResource TokenTemplate}" />
+
+        <controls:RichSuggestBox x:Name="PlainTextSuggestingBox"
+                                 Grid.Row="2"
+                                 MaxHeight="400"
+                                 HorizontalAlignment="Stretch"
+                                 Header="Plain text only suggest box sample"
+                                 DisabledFormattingAccelerators="All"
+                                 ClipboardCopyFormat="PlainText"
+                                 ClipboardPasteFormat="PlainText"
+                                 ItemTemplateSelector="{StaticResource SuggestionTemplateSelector}"
+                                 Prefixes="@#" />
+
+        <ListView x:Name="TokenListView2"
+                  Grid.Row="3"
+                  Margin="0,16,0,0"
+                  HorizontalAlignment="Stretch"
+                  ItemTemplate="{StaticResource TokenTemplate}" />
     </Grid>
 </Page>