TTVNodeChangedEvent procedure type

Specifies an event handler signalled when values in a tree node have been changed.

Declaration

pascal

TTVNodeChangedEvent = procedure(Sender: TObject; Node: TTreeNode; 
 ChangeReason: TTreeNodeChangeReason)
 of object

`Sender`	Object (tree view control) for the event notification.
`Node`	Tree node with the modified value.
`ChangeReason`	Indicates the value that was changed in the tree node.

TTVNodeChangedEvent is an object procedure type which specifies an event handler signalled when values in a tree node have been changed.

Sender contains the tree view control for the change notification.

Node is the TTreeNode instance with the modified value.

ChangeReason is a TTreeNodeChangeReason enumeration value that indicates the property changed in the tree node.

TTVNodeChangedEvent is the type used for the TCustomTreeView.OnNodeChanged property.