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TextChangedEvent and Focus Event not Fired

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Chat (Conversational UI)

This is a migrated thread and some comments may be shown as answers.

Vuyiswa asked on 27 Jun 2020, 11:03 PM

Good Day

i have a control template define like the one below . Inside the ControlTemplate there is ChatEntry control named "txtchatmessage" and a TextChanged event handler named txtchatmessage_TextChanged and Focus , when i enter text this even does not get fired

 private void Txtchatmessage_TextChanged(object sender, TextChangedEventArgs e) 

{ 

//my logic 

} 

<ControlTemplate x:Key="CustomChatControlTemplate"> 

<Grid telerikInput:KeyboardHelper.IsTranslationTarget="True"  

RowSpacing="2"> 

<Grid.RowDefinitions> 

<RowDefinition /> 

<RowDefinition Height="Auto" /> 

</Grid.RowDefinitions> 

<Image HorizontalOptions="FillAndExpand" x:Name="ctr1" VerticalOptions="FillAndExpand" Aspect="AspectFill" Source="chat_background.png" /> 

 

<Grid Grid.Row="2" Padding="5, 0, 0, 0"> 

<Grid.ColumnDefinitions> 

<ColumnDefinition Width="Auto" /> 

</Grid.ColumnDefinitions> 

 

<StackLayout Orientation="Vertical" BackgroundColor="White" > 

<StackLayout Orientation="Horizontal" BackgroundColor="Transparent"> 

<telerikConversationalUI:ChatEntry x:Name="txtchatmessage" Keyboard="Chat" TextChanged="txtchatmessage_TextChanged"  

HorizontalOptions="StartAndExpand" WidthRequest="280" 

telerikInput:KeyboardHelper.IsTranslationSource="True" /> 

 

<StackLayout Orientation="Horizontal"> 

<Button x:Name="btnattach"  

ImageSource="attach_final.png" 

BackgroundColor="Transparent" 

WidthRequest="30" 

Clicked="btnattach_Clicked" 

HeightRequest="30" 

VerticalOptions="Center" /> 

 

<Button  

ImageSource="send_final.png" 

BackgroundColor="Transparent" 

Clicked="chat_send" 

x:Name="btnsend" 

WidthRequest="30" 

HeightRequest="30" 

VerticalOptions="Center" /> 

</StackLayout> 

 

</StackLayout> 

</Grid> 

</ControlTemplate>

this controlTemplate is defined in

<VisualElement.Resources>

<ResourceDictionary>

and used in the chat control like this

<telerikConversationalUI:RadChat x:Name="chat" Grid.Row="1"

<br>                                    AutoScrollMode="Automatic"   SendMessageButtonImage="" ControlTemplate="{StaticResource RadChat_ControlTemplate}">

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TextChangedEvent and Focus Event not Fired

2 Answers, 1 is accepted