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TreeView.BeforeSelect Event
.NET Framework 1.1
Occurs before the tree node is selected.
[Visual Basic] Public Event BeforeSelect As TreeViewCancelEventHandler [C#] public event TreeViewCancelEventHandler BeforeSelect; [C++] public: __event TreeViewCancelEventHandler* BeforeSelect;
[JScript] In JScript, you can handle the events defined by a class, but you cannot define your own.
Event Data
The event handler receives an argument of type TreeViewCancelEventArgs containing data related to this event. The following TreeViewCancelEventArgs properties provide information specific to this event.
| Property | Description |
|---|---|
| Action | Gets the type of TreeViewAction that raised the event. |
| Cancel (inherited from CancelEventArgs) | Gets or sets a value indicating whether the event should be canceled. |
| Node | Gets the tree node to be checked, expanded, collapsed, or selected. |
Remarks
For more information about handling events, see Consuming Events.
Requirements
Platforms: Windows 98, Windows NT 4.0, Windows Millennium Edition, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows Server 2003 family
See Also
TreeView Class | TreeView Members | System.Windows.Forms Namespace | OnBeforeSelect | AfterSelect | OnAfterSelect
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