Examples Overview
Real-world examples demonstrating how to build applications with Buildocs UI Engine.
Frontend-Backend Integration
This page explains how form events flow from the user interface to your backend and back, and maps each FormHostProvider method to the backend handler that serves it.
RunEvent Handler
9 items
Upload Files Handler
This page provides complete examples for implementing the Upload Files backend handler. The uploadfiles endpoint receives files from form upload widgets and stores them in your file storage system.
Delete File Handler
This page provides complete examples for implementing the Delete File backend handler. The deletefile endpoint removes files from your storage system when users delete attachments from forms.
Download File Handler
This page provides complete examples for implementing the Download File backend handler. The downloadfile endpoint retrieves files from storage and streams them to the user's browser.
Get Linked File Handler
This page provides complete examples for implementing the Get Linked File backend handler. The getlinkedfile endpoint retrieves file data and returns it as a Base64-encoded string for small to medium-sized files.
Get Linked File Meta Handler
This page provides complete examples for implementing the Get Linked File Meta backend handler. The getlinkedfilemetaevent endpoint retrieves file metadata (name, size, MIME type) without downloading the actual file content.
Get Linked File By Chunks Handler
This page provides complete examples for implementing the Get Linked File By Chunks backend handler. The getlinkedfilebychunks endpoint streams large files in chunks using HTTP range requests for efficient delivery.