TreeViewExpandedEvent Class |  |
Provide information about a tree view expanded event, which is generated when an item in a tree view is expanded or collapsed, exposing or hiding its children.
Inheritance HierarchyNamespace: VO
Assembly: VOGUIClasses (in VOGUIClasses.dll) Version: 2.21
SyntaxThe TreeViewExpandedEvent type exposes the following members.
Constructors| Name | Description | |
|---|---|---|
 | TreeViewExpandedEvent | Initializes a new instance of the TreeViewExpandedEvent class |
Properties| Name | Description | |
|---|---|---|
 | Collapsed |
A logical value that is TRUE if the item is collapsed.
|
| Control |
The Control object that generated this event.
(Inherited from ControlNotifyEvent.) |
| ControlID |
A number between 1 and 8000 representing the unique ID of the control that generated this control event.
(Inherited from ControlEvent.) |
| Description |
A string representing the description of the control that generated this control event.
(Inherited from ControlEvent.) |
| Expanded |
A logical value that is TRUE if the item is expanded.
|
| Handle |
The pointer to the window where the event occurred
(Inherited from Event.) |
| HelpContext |
A string representing the help context ID of the control that generated this control event.
(Inherited from ControlEvent.) |
| HyperLabel |
The hyperlabel connected to the control event.
(Inherited from ControlEvent.) |
| Message |
A dword representing the Windows API message associated with the given event.
(Inherited from Event.) |
| Name |
A string representing the name of the control that generated the event.
(Inherited from ControlEvent.) |
| NameSym |
A symbol representing the name of the control that generated the event.
(Inherited from ControlEvent.) |
| NotifyCode |
The notification code for this event as defined by the Windows API.
(Inherited from ControlNotifyEvent.) |
| TreeViewItem |
The TreeViewItem object which is being modified.
|
| Window |
An object indicating the window or control in which the event occurred. This is helpful, for example, for distinguishing between similar menu events coming from the same context menu attached to different controls.
(Inherited from Event.) |
Fields| Name | Description | |
|---|---|---|
 | hWnd | (Inherited from Event.) |
| lParam | (Inherited from Event.) |
| oWindow | (Inherited from Event.) |
| uMsg | (Inherited from Event.) |
| wParam | (Inherited from Event.) |
Remarks
The tree view control generates this event whenever one of its items is expanded or collapsed. Information packaged in the event object includes which item is affected and if the item is collapsed or expanded.
See Also