How to intercept the message created in .NET MAUI Chat (SfChat)?

The .NET MAUI Chat allows to handle the message in SendMessage event or SendMessageCommand. Programmatically add the actual sent message into the Messages collection before adding the new message created in the event.

XAML

<sfChat:SfChat x:Name="sfChat"
               Messages="{Binding Messages}"
               SendMessageCommand="{Binding SendMessageCommand}"
               CurrentUser="{Binding CurrentUser}" />

ViewModel

public class GettingStartedViewModel : INotifyPropertyChanged
{    
    public ICommand SendMessageCommand { get; set; }
    
    public GettingStartedViewModel()
    {       
        SendMessageCommand = new Command(ExecuteSendMessageCommand);
    }

    private void ExecuteSendMessageCommand(object obj)
    {
        // Skips adding new message in Messages collection.
        var eventArgs = obj as Syncfusion.Maui.Chat.SendMessageEventArgs;
        eventArgs!.Handled = true;

        // Retrieve message using SendMessageEventArgs.Message.
        // Now add the actual sent message into collection as required.
        var message = eventArgs.Message;
        if (message != null) { this.Messages.Add(message); }

        // You can add the special message into collection as like below.
        TextMessage textMessage = new TextMessage() { Author = this.CurrentUser };
        textMessage.Text = "Special Message";
        this.Messages.Add(textMessage);
    }
}

Download the complete sample from GitHub

Conclusion:

I hope you enjoyed learning how to intercept the message created in .NET MAUI Chat (SfChat).

You can refer to our .NET MAUI SfChat feature tour page to know about its other groundbreaking feature representations and documentation, and how to quickly get started with configuration specifications.

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