| ve | The VisualElement to initialize. |
| bag | A bag of name-value pairs, one for each attribute of the UXML element. |
| cc | When the element is created as part of a template instance inserted in another document, this contains information about the insertion point. |
Initialize a VisualElement instance with values from the UXML element attributes.
Override this function in your traits class to initialize your C# object with values read from the UXML document.