TcxCustomTreeList.OnExpanding Event

Allows implementing dynamic node loading or prohibiting expansion for individual nodes.

Declaration

property OnExpanding: TcxTreeListNodeChangingEvent read; write;

Remarks

Sender specifies the tree list.

ANode specifies the node being expanded.

Allow specifies whether node expansion is allowed. Pass True as Allow to allow expansion.

The OnExpanding event can be used for Dynamic Loading.

To provide actions after the node has been expanded, handle the OnExpanded event instead.