Interface ISuggestionProvider

Inserts the selected item into the SfRichTextBoxAdv control at cursor position

Namespace: Syncfusion.UI.Xaml.RichTextBoxAdv
Assembly: Syncfusion.SfRichTextBoxAdv.UWP.dll
Syntax
public interface ISuggestionProvider
Remarks

You can implement your own logic to insert the selected item into the SfRichTextBoxAdv instance.

Examples

The following code example demonstrates how to add automatic suggestion settings for SfRichTextBoxAdv control.

<!-- Defines the SfRichTextBoxAdv control. --> 
<Window.Resources>
   <coll:ArrayList x:Key="suggestionItems">
       <syncfusion:NameSuggestionItem Name="Nancy Davolio" Link="mailto:[email protected]" ImageSource="images/nancy.png" />
       <syncfusion:NameSuggestionItem Name="Andrew Fuller" Link="mailto:[email protected]" ImageSource="images/andrew.png"/>
       <syncfusion:NameSuggestionItem Name="Steven Buchanan" Link="mailto:[email protected]" ImageSource="images/steven.png"/>
   </coll:ArrayList>
   <Style x:Key="suggestionBoxStyle" TargetType="ListBox">
       <Setter Property = "MinWidth" Value="300" />
       <Setter Property = "MinHeight" Value="250" />
       <Setter Property = "ItemTemplate">
           <Setter.Value>
               <DataTemplate>
                   <StackPanel Orientation="Horizontal" Height="44" Padding="12" AutomationProperties.Name="{Binding Name}">
                       <Image Source = "{Binding ImageSource}" Height="16" Width="16" VerticalAlignment="Center" />
                       <TextBlock Text = "{Binding Name}" FontSize="14"  VerticalAlignment="Center" Margin="12,0,0,0" />
                   </StackPanel>
               </DataTemplate>
           </Setter.Value>
       </Setter>
   </Style>
</Window.Resources>
<RichTextBoxAdv:SfRichTextBoxAdv x:Name="richTextBoxAdv">
       <RichTextBoxAdv:SfRichTextBoxAdv.SuggestionSettings>
           <RichTextBoxAdv:SuggestionSettings>
               <RichTextBoxAdv:SuggestionSettings.SuggestionProviders>
                   <RichTextBoxAdv:NameSuggestionProvider MentionCharacter="@" ItemsSource="{StaticResource suggestionItems}" SuggestionBoxStyle="{StaticResource suggestionBoxStyle}">
                   </RichTextBoxAdv:NameSuggestionProvider>
                </RichTextBoxAdv:SuggestionSettings.SuggestionProviders>
            </RichTextBoxAdv:SuggestionSettings>
        </RichTextBoxAdv:SfRichTextBoxAdv.SuggestionSettings>
    </RichTextBoxAdv:SfRichTextBoxAdv>
//Defines the SfRichTextBoxAdv control.
SfRichTextBoxAdv richTextBoxAdv = new SfRichTextBoxAdv();
ISuggestionProvider suggestionProvider = new NameSuggestionProvider();
suggestionProvider.MentionCharacter = '@';
suggestionProvider.SuggestionBoxStyle = Resources["suggestionBoxStyle"] as Style;
List<NameSuggestionItem> suggestionItems = new List<NameSuggestionItem>();
NameSuggestionItem suggestionItem = new NameSuggestionItem();
suggestionItem.Name = "Nancy Davolio";
suggestionItem.Link="mailto:[email protected]";
suggestionItem.ImageSource="images/nancy.png";
suggestionItems.Add(suggestionItem);
suggestionItem = new NameSuggestionItem();
suggestionItem.Name = "Andrew Fuller";
suggestionItem.Link="mailto:[email protected]";
suggestionItem.ImageSource="images/andrew.png";
suggestionItems.Add(suggestionItem);
suggestionItem = new NameSuggestionItem();
suggestionItem.Name = "Steven Buchanan";
suggestionItem.Link="mailto:[email protected]";
suggestionItem.ImageSource="images/steven.png";
suggestionItems.Add(suggestionItem);
(suggestionProvider as NameSuggestionProvider).ItemsSource = suggestionItems;
richTextBoxAdv.SuggestionSettings = new SuggestionSettings();
richTextBoxAdv.SuggestionSettings.SuggestionProviders.Add(suggestionProvider);
' Defines the SfRichTextBoxAdv control.
Dim richTextBoxAdv As SfRichTextBoxAdv = New SfRichTextBoxAdv()
Dim suggestionProvider As ISuggestionProvider = New NameSuggestionProvider()
suggestionProvider.MentionCharacter = '@'
suggestionProvider.SuggestionBoxStyle = TryCast(Resources("suggestionBoxStyle"), Style)
Dim suggestionItems As List<NameSuggestionItem> = New List<NameSuggestionItem>()
Dim suggestionItem As NameSuggestionItem = New NameSuggestionItem()
suggestionItem.Name = "Nancy Davolio"
suggestionItem.Link = "mailto:[email protected]"
suggestionItem.ImageSource = "images/nancy.png"
suggestionItems.Add(suggestionItem)
suggestionItem = New NameSuggestionItem()
suggestionItem.Name = "Andrew Fuller"
suggestionItem.Link = "mailto:[email protected]"
suggestionItem.ImageSource = "images/andrew.png"
suggestionItems.Add(suggestionItem)
suggestionItem = New NameSuggestionItem()
suggestionItem.Name = "Steven Buchanan"
suggestionItem.Link = "mailto:[email protected]"
suggestionItem.ImageSource = "images/steven.png"
suggestionItems.Add(suggestionItem)
TryCast(suggestionProvider, NameSuggestionProvider).ItemsSource = suggestionItems
richTextBoxAdv.SuggestionSettings = New SuggestionSettings()
richTextBoxAdv.SuggestionSettings.SuggestionProviders.Add(suggestionProvider)

Properties

MentionCharacter

Gets or sets a character that represents the mention character for ISuggestionProvider instance.

Declaration
char MentionCharacter { get; set; }
Property Value
Type Description
System.Char

A character that represents the mention character for ISuggestionProvider instance.
Examples

The following code example demonstrates how to add automatic suggestion settings for SfRichTextBoxAdv control.

<!-- Defines the SfRichTextBoxAdv control. --> 
<Window.Resources>
   <coll:ArrayList x:Key="suggestionItems">
       <syncfusion:NameSuggestionItem Name = "Nancy Davolio" Link="mailto:[email protected]" ImageSource="images/nancy.png" />
       <syncfusion:NameSuggestionItem Name = "Andrew Fuller" Link="mailto:[email protected]" ImageSource="images/andrew.png"/>
       <syncfusion:NameSuggestionItem Name = "Steven Buchanan" Link="mailto:[email protected]" ImageSource="images/steven.png"/>
   </coll:ArrayList>
   <Style x:Key="suggestionBoxStyle" TargetType="ListBox">
       <Setter Property = "MinWidth" Value="300" />
       <Setter Property = "MinHeight" Value="250" />
       <Setter Property = "ItemTemplate" >
           <Setter.Value >
               <DataTemplate>
                   <StackPanel Orientation="Horizontal" Height="44" Padding="12" AutomationProperties.Name="{Binding Name}">
                       <Image Source = "{Binding ImageSource}" Height="16" Width="16" VerticalAlignment="Center"/>
                       <TextBlock Text = "{Binding Name}" FontSize="14"  VerticalAlignment="Center" Margin="12,0,0,0" />
                   </StackPanel>
               </DataTemplate>
           </Setter.Value>
       </Setter>
   </Style>
</Window.Resources>
<RichTextBoxAdv:SfRichTextBoxAdv x:Name="richTextBoxAdv">
       <RichTextBoxAdv:SfRichTextBoxAdv.SuggestionSettings>
           <RichTextBoxAdv:SuggestionSettings>
               <RichTextBoxAdv:SuggestionSettings.SuggestionProviders>
                   <RichTextBoxAdv:NameSuggestionProvider MentionCharacter="@" ItemsSource="{StaticResource suggestionItems}" SuggestionBoxStyle="{StaticResource suggestionBoxStyle}">
                   </RichTextBoxAdv:NameSuggestionProvider>
                </RichTextBoxAdv:SuggestionSettings.SuggestionProviders>
            </RichTextBoxAdv:SuggestionSettings>
        </RichTextBoxAdv:SfRichTextBoxAdv.SuggestionSettings>
    </RichTextBoxAdv:SfRichTextBoxAdv>
// Defines the SfRichTextBoxAdv control.
SfRichTextBoxAdv richTextBoxAdv = new SfRichTextBoxAdv();
ISuggestionProvider suggestionProvider = new NameSuggestionProvider();
suggestionProvider.MentionCharacter = '@';
suggestionProvider.SuggestionBoxStyle = Resources["suggestionBoxStyle"] as Style;
List<NameSuggestionItem> suggestionItems = new List<NameSuggestionItem>();
NameSuggestionItem suggestionItem = new NameSuggestionItem();
suggestionItem.Name = "Nancy Davolio";
suggestionItem.Link="mailto:[email protected]";
suggestionItem.ImageSource="images/nancy.png";
suggestionItems.Add(suggestionItem);
suggestionItem = new NameSuggestionItem();
suggestionItem.Name = "Andrew Fuller";
suggestionItem.Link="mailto:[email protected]";
suggestionItem.ImageSource="images/andrew.png";
suggestionItems.Add(suggestionItem);
suggestionItem = new NameSuggestionItem();
suggestionItem.Name = "Steven Buchanan";
suggestionItem.Link="mailto:[email protected]";
suggestionItem.ImageSource="images/steven.png";
suggestionItems.Add(suggestionItem);
(suggestionProvider as NameSuggestionProvider).ItemsSource = suggestionItems;
richTextBoxAdv.SuggestionSettings = new SuggestionSettings();
richTextBoxAdv.SuggestionSettings.SuggestionProviders.Add(suggestionProvider);
' Defines the SfRichTextBoxAdv control.
Dim richTextBoxAdv As SfRichTextBoxAdv = New SfRichTextBoxAdv()
Dim suggestionProvider As ISuggestionProvider = New NameSuggestionProvider()
suggestionProvider.MentionCharacter = '@'
suggestionProvider.SuggestionBoxStyle = TryCast(Resources("suggestionBoxStyle"), Style)
Dim suggestionItems As List<NameSuggestionItem> = New List<NameSuggestionItem>()
Dim suggestionItem As NameSuggestionItem = New NameSuggestionItem()
suggestionItem.Name = "Nancy Davolio"
suggestionItem.Link = "mailto:[email protected]"
suggestionItem.ImageSource = "images/nancy.png"
suggestionItems.Add(suggestionItem)
suggestionItem = New NameSuggestionItem()
suggestionItem.Name = "Andrew Fuller"
suggestionItem.Link = "mailto:[email protected]"
suggestionItem.ImageSource = "images/andrew.png"
suggestionItems.Add(suggestionItem)
suggestionItem = New NameSuggestionItem()
suggestionItem.Name = "Steven Buchanan"
suggestionItem.Link = "mailto:[email protected]"
suggestionItem.ImageSource = "images/steven.png"
suggestionItems.Add(suggestionItem)
TryCast(suggestionProvider, NameSuggestionProvider).ItemsSource = suggestionItems
richTextBoxAdv.SuggestionSettings = New SuggestionSettings()
richTextBoxAdv.SuggestionSettings.SuggestionProviders.Add(suggestionProvider)

SuggestionBoxStyle

Gets or sets the style used by Windows.UI.Xaml.Controls.ListBox element when it is rendered for displaying suggestion items from this ISuggestionProvider instance.

Declaration
Style SuggestionBoxStyle { get; set; }
Property Value
Type Description
Windows.UI.Xaml.Style

The Windows.UI.Xaml.Style instance.
Examples

The following code example demonstrates how to add automatic suggestion settings for SfRichTextBoxAdv control.

<!-- Defines the SfRichTextBoxAdv control. --> 
<Window.Resources>
   <coll:ArrayList x:Key="suggestionItems">
       <syncfusion:NameSuggestionItem Name = "Nancy Davolio" Link="mailto:[email protected]" ImageSource="images/nancy.png" />
       <syncfusion:NameSuggestionItem Name = "Andrew Fuller" Link="mailto:[email protected]" ImageSource="images/andrew.png"/>
       <syncfusion:NameSuggestionItem Name = "Steven Buchanan" Link="mailto:[email protected]" ImageSource="images/steven.png"/>
   </coll:ArrayList>
   <Style x:Key="suggestionBoxStyle" TargetType="ListBox">
       <Setter Property = "MinWidth" Value="300" />
       <Setter Property = "MinHeight" Value="250" />
       <Setter Property = "ItemTemplate" >
           <Setter.Value >
               <DataTemplate>
                   <StackPanel Orientation="Horizontal" Height="44" Padding="12" AutomationProperties.Name="{Binding Name}">
                       <Image Source = "{Binding ImageSource}" Height="16" Width="16" VerticalAlignment="Center"/>
                       <TextBlock Text = "{Binding Name}" FontSize="14"  VerticalAlignment="Center" Margin="12,0,0,0" />
                   </StackPanel>
               </DataTemplate>
           </Setter.Value>
       </Setter>
   </Style>
</Window.Resources>
<RichTextBoxAdv:SfRichTextBoxAdv x:Name="richTextBoxAdv">
       <RichTextBoxAdv:SfRichTextBoxAdv.SuggestionSettings>
           <RichTextBoxAdv:SuggestionSettings>
               <RichTextBoxAdv:SuggestionSettings.SuggestionProviders>
                   <RichTextBoxAdv:NameSuggestionProvider MentionCharacter="@" ItemsSource="{StaticResource suggestionItems}" SuggestionBoxStyle="{StaticResource suggestionBoxStyle}">
                   </RichTextBoxAdv:NameSuggestionProvider>
                </RichTextBoxAdv:SuggestionSettings.SuggestionProviders>
            </RichTextBoxAdv:SuggestionSettings>
        </RichTextBoxAdv:SfRichTextBoxAdv.SuggestionSettings>
    </RichTextBoxAdv:SfRichTextBoxAdv>
// Defines the SfRichTextBoxAdv control.
SfRichTextBoxAdv richTextBoxAdv = new SfRichTextBoxAdv();
ISuggestionProvider suggestionProvider = new NameSuggestionProvider();
suggestionProvider.MentionCharacter = '@';
suggestionProvider.SuggestionBoxStyle = Resources["suggestionBoxStyle"] as Style;
List<NameSuggestionItem> suggestionItems = new List<NameSuggestionItem>();
NameSuggestionItem suggestionItem = new NameSuggestionItem();
suggestionItem.Name = "Nancy Davolio";
suggestionItem.Link="mailto:[email protected]";
suggestionItem.ImageSource="images/nancy.png";
suggestionItems.Add(suggestionItem);
suggestionItem = new NameSuggestionItem();
suggestionItem.Name = "Andrew Fuller";
suggestionItem.Link="mailto:[email protected]";
suggestionItem.ImageSource="images/andrew.png";
suggestionItems.Add(suggestionItem);
suggestionItem = new NameSuggestionItem();
suggestionItem.Name = "Steven Buchanan";
suggestionItem.Link="mailto:[email protected]";
suggestionItem.ImageSource="images/steven.png";
suggestionItems.Add(suggestionItem);
(suggestionProvider as NameSuggestionProvider).ItemsSource = suggestionItems;
richTextBoxAdv.SuggestionSettings = new SuggestionSettings();
richTextBoxAdv.SuggestionSettings.SuggestionProviders.Add(suggestionProvider);
' Defines the SfRichTextBoxAdv control.
Dim richTextBoxAdv As SfRichTextBoxAdv = New SfRichTextBoxAdv()
Dim suggestionProvider As ISuggestionProvider = New NameSuggestionProvider()
suggestionProvider.MentionCharacter = '@'
suggestionProvider.SuggestionBoxStyle = TryCast(Resources("suggestionBoxStyle"), Style)
Dim suggestionItems As List<NameSuggestionItem> = New List<NameSuggestionItem>()
Dim suggestionItem As NameSuggestionItem = New NameSuggestionItem()
suggestionItem.Name = "Nancy Davolio"
suggestionItem.Link = "mailto:[email protected]"
suggestionItem.ImageSource = "images/nancy.png"
suggestionItems.Add(suggestionItem)
suggestionItem = New NameSuggestionItem()
suggestionItem.Name = "Andrew Fuller"
suggestionItem.Link = "mailto:[email protected]"
suggestionItem.ImageSource = "images/andrew.png"
suggestionItems.Add(suggestionItem)
suggestionItem = New NameSuggestionItem()
suggestionItem.Name = "Steven Buchanan"
suggestionItem.Link = "mailto:[email protected]"
suggestionItem.ImageSource = "images/steven.png"
suggestionItems.Add(suggestionItem)
TryCast(suggestionProvider, NameSuggestionProvider).ItemsSource = suggestionItems
richTextBoxAdv.SuggestionSettings = New SuggestionSettings()
richTextBoxAdv.SuggestionSettings.SuggestionProviders.Add(suggestionProvider)

Methods

Dispose()

Releases unmanaged and - optionally - managed resources.

Declaration
void Dispose()

InsertSelectedItem(SfRichTextBoxAdv, Object)

Inserts the selected item into the SfRichTextBoxAdv control at cursor position

Declaration
void InsertSelectedItem(SfRichTextBoxAdv richTextBoxAdv, object selectedItem)
Parameters
Type Name Description
SfRichTextBoxAdv richTextBoxAdv

The instance of the SfRichTextBoxAdv.
System.Object selectedItem

The instance of the selected item.
Remarks

You can implement your own logic to insert the selected item by inheriting ISuggestionProvider interface.

Examples

The following code example demonstrates how to add automatic suggestion settings for SfRichTextBoxAdv control.

<!-- Defines the SfRichTextBoxAdv control. --> 
<Window.Resources>
   <coll:ArrayList x:Key="suggestionItems">
       <syncfusion:NameSuggestionItem Name="Nancy Davolio" Link="mailto:[email protected]" ImageSource="images/nancy.png" />
       <syncfusion:NameSuggestionItem Name="Andrew Fuller" Link="mailto:[email protected]" ImageSource="images/andrew.png"/>
       <syncfusion:NameSuggestionItem Name="Steven Buchanan" Link="mailto:[email protected]" ImageSource="images/steven.png"/>
   </coll:ArrayList>
   <Style x:Key="suggestionBoxStyle" TargetType="ListBox">
       <Setter Property = "MinWidth" Value="300" />
       <Setter Property = "MinHeight" Value="250" />
       <Setter Property = "ItemTemplate">
           <Setter.Value>
               <DataTemplate>
                   <StackPanel Orientation="Horizontal" Height="44" Padding="12" AutomationProperties.Name="{Binding Name}">
                       <Image Source = "{Binding ImageSource}" Height="16" Width="16" VerticalAlignment="Center" />
                       <TextBlock Text = "{Binding Name}" FontSize="14"  VerticalAlignment="Center" Margin="12,0,0,0" />
                   </StackPanel>
               </DataTemplate>
           </Setter.Value>
       </Setter>
   </Style>
</Window.Resources>
<RichTextBoxAdv:SfRichTextBoxAdv x:Name="richTextBoxAdv">
       <RichTextBoxAdv:SfRichTextBoxAdv.SuggestionSettings>
           <RichTextBoxAdv:SuggestionSettings>
               <RichTextBoxAdv:SuggestionSettings.SuggestionProviders>
                   <RichTextBoxAdv:NameSuggestionProvider MentionCharacter="@" ItemsSource="{StaticResource suggestionItems}" SuggestionBoxStyle="{StaticResource suggestionBoxStyle}">
                   </RichTextBoxAdv:NameSuggestionProvider>
                </RichTextBoxAdv:SuggestionSettings.SuggestionProviders>
            </RichTextBoxAdv:SuggestionSettings>
        </RichTextBoxAdv:SfRichTextBoxAdv.SuggestionSettings>
    </RichTextBoxAdv:SfRichTextBoxAdv>
// Defines the SfRichTextBoxAdv control.
SfRichTextBoxAdv richTextBoxAdv = new SfRichTextBoxAdv();
ISuggestionProvider suggestionProvider = new NameSuggestionProvider();
suggestionProvider.MentionCharacter = '@';
suggestionProvider.SuggestionBoxStyle = Resources["suggestionBoxStyle"] as Style;
List<NameSuggestionItem> suggestionItems = new List<NameSuggestionItem>();
NameSuggestionItem suggestionItem = new NameSuggestionItem();
suggestionItem.Name = "Nancy Davolio";
suggestionItem.Link="mailto:[email protected]";
suggestionItem.ImageSource="images/nancy.png";
suggestionItems.Add(suggestionItem);
suggestionItem = new NameSuggestionItem();
suggestionItem.Name = "Andrew Fuller";
suggestionItem.Link="mailto:[email protected]";
suggestionItem.ImageSource="images/andrew.png";
suggestionItems.Add(suggestionItem);
suggestionItem = new NameSuggestionItem();
suggestionItem.Name = "Steven Buchanan";
suggestionItem.Link="mailto:[email protected]";
suggestionItem.ImageSource="images/steven.png";
suggestionItems.Add(suggestionItem);
(suggestionProvider as NameSuggestionProvider).ItemsSource = suggestionItems;
richTextBoxAdv.SuggestionSettings = new SuggestionSettings();
richTextBoxAdv.SuggestionSettings.SuggestionProviders.Add(suggestionProvider);
' Defines the SfRichTextBoxAdv control.
Dim richTextBoxAdv As SfRichTextBoxAdv = New SfRichTextBoxAdv()
Dim suggestionProvider As ISuggestionProvider = New NameSuggestionProvider()
suggestionProvider.MentionCharacter = '@'
suggestionProvider.SuggestionBoxStyle = TryCast(Resources("suggestionBoxStyle"), Style)
Dim suggestionItems As List<NameSuggestionItem> = New List<NameSuggestionItem>()
Dim suggestionItem As NameSuggestionItem = New NameSuggestionItem()
suggestionItem.Name = "Nancy Davolio"
suggestionItem.Link = "mailto:[email protected]"
suggestionItem.ImageSource = "images/nancy.png"
suggestionItems.Add(suggestionItem)
suggestionItem = New NameSuggestionItem()
suggestionItem.Name = "Andrew Fuller"
suggestionItem.Link = "mailto:[email protected]"
suggestionItem.ImageSource = "images/andrew.png"
suggestionItems.Add(suggestionItem)
suggestionItem = New NameSuggestionItem()
suggestionItem.Name = "Steven Buchanan"
suggestionItem.Link = "mailto:[email protected]"
suggestionItem.ImageSource = "images/steven.png"
suggestionItems.Add(suggestionItem)
TryCast(suggestionProvider, NameSuggestionProvider).ItemsSource = suggestionItems
richTextBoxAdv.SuggestionSettings = New SuggestionSettings()
richTextBoxAdv.SuggestionSettings.SuggestionProviders.Add(suggestionProvider)

Search(String)

Searches the suggestion source of ISuggestionProvider instance.

Declaration
List<object> Search(string searchText)
Parameters
Type Name Description
System.String searchText

The text to search in suggestion items.
Returns
Type Description
System.Collections.Generic.List<System.Object>

Returns the collection of matching suggestion items.
Remarks

You can implement your own search logic by inheriting ISuggestionProvider interface.

Examples

The following code example demonstrates how to add automatic suggestion settings for SfRichTextBoxAdv control.

<!-- Defines the SfRichTextBoxAdv control. --> 
<Window.Resources>
   <coll:ArrayList x:Key="suggestionItems">
       <syncfusion:NameSuggestionItem Name="Nancy Davolio" Link="mailto:[email protected]" ImageSource="images/nancy.png" />
       <syncfusion:NameSuggestionItem Name="Andrew Fuller" Link="mailto:[email protected]" ImageSource="images/andrew.png"/>
       <syncfusion:NameSuggestionItem Name="Steven Buchanan" Link="mailto:[email protected]" ImageSource="images/steven.png"/>
   </coll:ArrayList>
   <Style x:Key="suggestionBoxStyle" TargetType="ListBox">
       <Setter Property = "MinWidth" Value="300" />
       <Setter Property = "MinHeight" Value="250" />
       <Setter Property = "ItemTemplate">
           <Setter.Value>
               <DataTemplate>
                   <StackPanel Orientation="Horizontal" Height="44" Padding="12" AutomationProperties.Name="{Binding Name}">
                       <Image Source = "{Binding ImageSource}" Height="16" Width="16" VerticalAlignment="Center" />
                       <TextBlock Text = "{Binding Name}" FontSize="14"  VerticalAlignment="Center" Margin="12,0,0,0" />
                   </StackPanel>
               </DataTemplate>
           </Setter.Value>
       </Setter>
   </Style>
</Window.Resources>
<RichTextBoxAdv:SfRichTextBoxAdv x:Name="richTextBoxAdv">
       <RichTextBoxAdv:SfRichTextBoxAdv.SuggestionSettings>
           <RichTextBoxAdv:SuggestionSettings>
               <RichTextBoxAdv:SuggestionSettings.SuggestionProviders>
                   <RichTextBoxAdv:NameSuggestionProvider MentionCharacter="@" ItemsSource="{StaticResource suggestionItems}" SuggestionBoxStyle="{StaticResource suggestionBoxStyle}">
                   </RichTextBoxAdv:NameSuggestionProvider>
                </RichTextBoxAdv:SuggestionSettings.SuggestionProviders>
            </RichTextBoxAdv:SuggestionSettings>
        </RichTextBoxAdv:SfRichTextBoxAdv.SuggestionSettings>
    </RichTextBoxAdv:SfRichTextBoxAdv>
// Defines the SfRichTextBoxAdv control.
SfRichTextBoxAdv richTextBoxAdv = new SfRichTextBoxAdv();
ISuggestionProvider suggestionProvider = new NameSuggestionProvider();
suggestionProvider.MentionCharacter = '@';
suggestionProvider.SuggestionBoxStyle = Resources["suggestionBoxStyle"] as Style;
List<NameSuggestionItem> suggestionItems = new List<NameSuggestionItem>();
NameSuggestionItem suggestionItem = new NameSuggestionItem();
suggestionItem.Name = "Nancy Davolio";
suggestionItem.Link="mailto:[email protected]";
suggestionItem.ImageSource="images/nancy.png";
suggestionItems.Add(suggestionItem);
suggestionItem = new NameSuggestionItem();
suggestionItem.Name = "Andrew Fuller";
suggestionItem.Link="mailto:[email protected]";
suggestionItem.ImageSource="images/andrew.png";
suggestionItems.Add(suggestionItem);
suggestionItem = new NameSuggestionItem();
suggestionItem.Name = "Steven Buchanan";
suggestionItem.Link="mailto:[email protected]";
suggestionItem.ImageSource="images/steven.png";
suggestionItems.Add(suggestionItem);
(suggestionProvider as NameSuggestionProvider).ItemsSource = suggestionItems;
richTextBoxAdv.SuggestionSettings = new SuggestionSettings();
richTextBoxAdv.SuggestionSettings.SuggestionProviders.Add(suggestionProvider);
' Defines the SfRichTextBoxAdv control.
Dim richTextBoxAdv As SfRichTextBoxAdv = New SfRichTextBoxAdv()
Dim suggestionProvider As ISuggestionProvider = New NameSuggestionProvider()
suggestionProvider.MentionCharacter = '@'
suggestionProvider.SuggestionBoxStyle = TryCast(Resources("suggestionBoxStyle"), Style)
Dim suggestionItems As List<NameSuggestionItem> = New List<NameSuggestionItem>()
Dim suggestionItem As NameSuggestionItem = New NameSuggestionItem()
suggestionItem.Name = "Nancy Davolio"
suggestionItem.Link = "mailto:[email protected]"
suggestionItem.ImageSource = "images/nancy.png"
suggestionItems.Add(suggestionItem)
suggestionItem = New NameSuggestionItem()
suggestionItem.Name = "Andrew Fuller"
suggestionItem.Link = "mailto:[email protected]"
suggestionItem.ImageSource = "images/andrew.png"
suggestionItems.Add(suggestionItem)
suggestionItem = New NameSuggestionItem()
suggestionItem.Name = "Steven Buchanan"
suggestionItem.Link = "mailto:[email protected]"
suggestionItem.ImageSource = "images/steven.png"
suggestionItems.Add(suggestionItem)
TryCast(suggestionProvider, NameSuggestionProvider).ItemsSource = suggestionItems
richTextBoxAdv.SuggestionSettings = New SuggestionSettings()
richTextBoxAdv.SuggestionSettings.SuggestionProviders.Add(suggestionProvider)

Extension Methods