Tree Control Event Reference

Occurs when the user closes an item in a tree control.

• Time—Value of the millisecond timer when the event occurred.
• Index—Index of the event source within an individual event diagram.
• Control Reference—Reference to the control on which the event occurred.
• Location—Hierarchical location of the closed item.
• Data—Data for the closed item, including the hierarchical location and associated data for the columns.

Occurs when the user expands an item in a tree control.

• Time—Value of the millisecond timer when the event occurred.
• Index—Index of the event source within an individual event diagram.
• Control Reference—Reference to the control on which the event occurred.
• Location—Hierarchical location of the expanded item.
• Data—Data for the expanded item, including the hierarchical location and associated data for the columns.

Occurs when the user selects or deselects one or more items in a tree control.

• Time—Value of the millisecond timer when the event occurred.
• Index—Index of the event source within an individual event diagram.
• Control Reference—Reference to the control on which the event occurred.
• OldSelection—Hierarchical location of the previously selected item. This event data field can be a string or an array of strings, depending on the selection mode of the tree control.
• NewSelection—Hierarchical location of the selected item. This event data field can be a string or an array of strings, depending on the selection mode of the tree control.
• SelectedData—Data for the selected item, including the hierarchical location and associated data for the columns. This event data field can be a cluster or an array of clusters, depending on the selection mode of the tree control.