TdxOcNode Class

A tree node.

Declaration

TdxOcNode = class(
    TObject
)

Remarks

This class provides the following members that allow you to:

• Identify the total node’s area occupied by all the node’s children (ChildrenHeight and ChildrenWidth);

• Obtain the node’s bounding and client areas (ClientRect, DisplayRect, FullHeight and FullWidth);

• Expand or collapse the node’s tree (Collapse, Expand, Expanded and MakeVisible);

• Destroy all the node’s children (DeleteChildren);

• Identify whether the node is focused (Focused);

• Navigate between the nodes (GetFirstChild, GetLastChild, GetNext, GetNextChild, GetNextSibling, GetNextVisible, GetNodeInfo, GetPrev, GetPrevChild, GetPrevSibling and GetPrevVisible);

• Identify if the node is derived from specified one (HasAsParent);

• Identify the specified child node’s position (IndexOf);

• Identify whether the node’s parent is the tree root (IsParentRoot);

• Move the current node to a specific location (MoveTo);

• Access the node’s children (AbsoluteCount, AbsoluteItems, Count and Items);

• Provide access to the OrgChart control to which the node belongs (Owner);

• Provide access to the parent node of the current node (Parent);

• Customize the node’s appearance (Color, Shape and Text);

• Assign and position an image within the node (ImageAlign and ImageIndex);

• Customize the node’s dimensions (Height and Width);

• Change the node’s relative position (ChildAlign);

• Identify the node’s state (Deleting);

• Identify if the child tree is expanded above the current node (IsVisible);

• Expand or collapse the node (Expanded);

• Identify the node’s position within the tree (Index and Level).

To create an instance of the TdxOcNode class call one of the following OrgChart control’s methods:

• Add;

• AddChild;

• AddChildFirst;

• AddFirst.

To delete a node, you can call:

• The OrgChart control’s Delete procedure;

• The TdxOcNode class’s DeleteChildren procedure.

Inheritance

TObject TdxOcNode

See Also

TdxOcNode Members

dxorgchr Unit