string Type { get; }

<DxFileInput AcceptedFileTypes="fileTypes" FilesUploading="OnFilesUploading" />

@code {
    List<string> fileTypes = new List<string> { "image/jpg", "image/jpeg", "image/png"};

    async Task OnFilesUploading(FilesUploadingEventArgs args) {
        foreach (var file in args.Files) {
            if (fileTypes.Contains(file.Type)) {
                /* The following code is intended for demonstration purposes only.
                Do not read a stream directly in memory to avoid performance and security-related issues. */
                using var stream = new System.IO.MemoryStream();
                await file.OpenReadStream(file.Size).CopyToAsync(stream);
            }
        }
    }
}