# Step 4 of 4: Run the Application

## Content



To run the application, click the **Start Debugging** button and notice the following results. This step should be performed by the developer.

*   When the mouse hovers over the **TreeView** nodes, the specified topics are displayed.
*   Only when **TextBox1** gets the focus will it display a topic.<br />![](https://cdn.mescius.io/document-site-files/images/3b487bec-9ad4-47e0-ad8d-39717dc3c4e1/imagesext/image9_11.png)

Congratulations, you have successfully completed Tutorial 2! In this tutorial you have learned how to:

*   Add and set up the [C1DynamicHelp](/componentone/api/win/online-dynamichelp/dotnet-framework-api/C1.Win.C1DynamicHelp.4.8/C1.Win.C1DynamicHelp.C1DynamicHelp.html) control.
*   Activate/deactivate **authoring mode**.
*   Associate topics to controls on a form in **authoring mode**.
*   Save changes in the topic map.