TdxCustomTreeView.ExpandTo(TdxTreeViewNode) Method
Expands all ancestor nodes of the specified tree node.
Declaration
procedure ExpandTo(ANode: TdxTreeViewNode);Parameters
| Name | Type | Description |
|---|---|---|
| ANode | TdxTreeViewNode | A tree node. |
Remarks
This procedure expands a branch up to the specified node if one or more of its ancestors are collapsed. If all ancestor nodes are expanded, an ExpandTo procedure call has no effect.
Note
Do not call the ExpandTo procedure to display a specific node; call the MakeVisible procedure instead.
Example
The following example describes how to expand all ancestor nodes of a specific node in the Tree View.
The image below illustrates the tvcFolders Tree View control:
The “Help Files” folder contains the “ExpressQuantumGrid” folder with the “EQ4.hlp” file in it.
The following code expands the “Help Files” and “ExpressQuantumGrid” folders (expands all ancestor nodes of the “EQ4.hlp” node whose index is 4):
