public class InlineImages :
    ElementCollection<InlineImage>

<DxRichEdit @ref="richEdit" />

@code {
    DxRichEdit richEdit;
    Document documentAPI;
    /* Surround the code that contains an asynchronous operation with a try-catch block to handle
    the OperationCanceledException. This exception is thrown when an asynchronous operation is canceled. */
        try {
            documentAPI = richEdit.DocumentAPI;
            DocumentImageSource imageSource = DocumentImageSource.LoadFromUrl("your-image-url", 1000, 1000);
            InlineImage inlineImage = await documentAPI.InlineImages.CreateAsync(imageSource);
            InlineImage firstInlineImage = await documentAPI.InlineImages.GetAsync(0);
            IReadOnlyList<InlineImage> inlineImages = await documentAPI.InlineImages.GetAllAsync();
        }
        catch (OperationCanceledException e) {
            Console.WriteLine($"{nameof(OperationCanceledException)} thrown with message: {e.Message}");
        }
}