To create an Employee list using the Tree control, which enables details to be shown or hidden.
The Tree list component supports User Designed Controls (UDC). This enables a reusable part to define a list row, which means the row can be formatted in any way required.
This exercise will explain how the reusable part is defined to implement the Prim_Tree.iTreeDesign component which enables the Tree component to communicate with the reusable part UDC. This also enables data to be passed into the reusable part automatically by means of the *listfields parameter on the BEGIN_COM statement.
To achieve this objective, you will complete the following: