TTreeNodes.BeginUpdate

Starts an update process for the tree nodes in the container.

Declaration

Source position: comctrls.pp line 3264

public procedure TTreeNodes.BeginUpdate;

Increments the internal counter used to track active updates to the container.

TTreeNodes.EndUpdate		Finishes an update process for the tree nodes in the container.
TTreeNodes.Clear		Removes tree nodes in the container and its internal cache.
TTreeNodes.FreeAllNodeData		Frees the pointer in the Data property for each of the nodes in the container.