AIChatControl.FileUploadSettings Property

Gets or sets file upload settings, such as the maximum file size, allowed file types and extensions, and the maximum number of files a user can attach to a message. This is a dependency property.

Namespace: DevExpress.AIIntegration.Wpf.Chat

Assembly: DevExpress.AIIntegration.Wpf.Chat.v26.1.dll

NuGet Package: DevExpress.AIIntegration.Wpf.Chat

Declaration

C#

public IFileUploadSettings FileUploadSettings { get; set; }

VB.NET

Public Property FileUploadSettings As IFileUploadSettings

Property Value

Type	Description
DevExpress.AIIntegration.Blazor.Chat.Internal.IFileUploadSettings	An object that exposes file upload settings.

Remarks

Users can attach files directly to their chat messages. AI analyzes document content (such as text files, PDFs, images) and delivers more context-aware responses.

Run Demo: File Attachments — AI Chat

To activate file upload:

1. Enable the FileUploadEnabled property to allow users to attach files.
2. Configure additional settings based on your project requirements (the maximum file size, allowed file types/extensions, the maximum number of files that users can attach to a message).

XAML

xmlns:dxaichat="http://schemas.devexpress.com/winfx/2008/xaml/aichat"
xmlns:chat="clr-namespace:DevExpress.AIIntegration.Blazor.Chat;assembly=DevExpress.AIIntegration.Blazor.Chat.v25.1"
xmlns:system="clr-namespace:System;assembly=mscorlib"

<dxaichat:AIChatControl
    x:Name="aiChatControl"
    FileUploadEnabled="True"
    UseStreaming="True"
    HorizontalAlignment="Stretch" 
    VerticalAlignment="Stretch" 
    Margin="10">
    <dxaichat:AIChatControl.FileUploadSettings>
        <chat:DxAIChatFileUploadSettings MaxFileSize="5000000" MaxFileCount="5">
            <chat:DxAIChatFileUploadSettings.AllowedFileExtensions>
                <system:String>.png</system:String>
                <system:String>.pdf</system:String>
                <system:String>.txt</system:String>
            </chat:DxAIChatFileUploadSettings.AllowedFileExtensions>
            <chat:DxAIChatFileUploadSettings.FileTypeFilter>
                <system:String>image/png</system:String>
                <system:String>application/pdf</system:String>
                <system:String>text/plain</system:String>
            </chat:DxAIChatFileUploadSettings.FileTypeFilter>
        </chat:DxAIChatFileUploadSettings>
    </dxaichat:AIChatControl.FileUploadSettings>
</dxaichat:AIChatControl>

Tip

See the following article for more information on MIME types (FileTypeFilter): Common Media Types.

Refer to the following help topic for additional information: AI Chat Control