TTVHasChildrenEvent procedure type
Specifies an event handler signalled to determine if a given tree node has child nodes.
Declaration
TTVHasChildrenEvent = function(Sender: TCustomTreeView;
ANode: TTreeNode): Boolean of objectArguments
Sender | Object (TCustomTreeView ) for the event notification. |
ANode | Tree node examined in the routine. |
Function result
True if the specified node has child nodes.Description
TTVHasChildrenEvent is the type used for the
OnHasChildren property in
TCustomTreeView.
See also
An experiment, built from development snapshots. Not the official Free Pascal or Lazarus documentation.