The PanelBar component does not support Drag-and-Drop out of the box, neither such interaction with other third-party and/or custom components. Currently the only way to achieve the desired functionality would be via some custom implementation, relying on the HTML5 DOM Drag-and-Drop API and custom logic for adding the dragged element/icon to the diagram depending on this component's API and supported functionalities.
Meanwhile please support the following feature request from our Feedback portal:
We will consider providing a generic Drag-and-Drop solution based on the customer demand.
I can also recommend our separate dedicated offering - the Progress Professional Services that specialize in custom-tailored solutions, feature customization, custom implementations and more:
Let me know if you are interested in benefiting from their expertise, and I will arrange for someone from the team to contact you.
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