Assembly: Forms;
The ITreeListNode interface contains properties and methods of the tree nodes.
ITreeListNode
To work with collection of nodes, use the ITreeListNodes interface.
| Property name | Brief description | |
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The Accessibility property determines whether tree elements will be active. | |
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The Bold property determines whether element text is displayed in bold. | |
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The Checked property determines whether the selection is set for the element of the component. | |
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The CheckState property determines a state of selection of the tree element. | |
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The ColumnText property determines a text of the specified column for the current element. | |
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The Cut property determines whether the element is marked as cut out. | |
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The Data property enables the user to correspond the data of custom structure to the tree element. | |
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The Expanded property determines whether hierarchy the tree node is expanded or collapsed. | |
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The Focused property determines whether the element is focused. | |
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The Id property returns the unique numeric identifier of the element. | |
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The ImageIndex property determines index of the image that is placed to the left of the text of the element in the first column of the component. | |
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The Index property returns index of the element in the list of child elements of the parent. | |
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The IsDropTarget property determines whether any node is passing over the current node at the moment. | |
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The Level property returns index of the level, at which this node is located. | |
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The NextNode property returns the next element of the tree. | |
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The NextSelectedNode property returns the next selected tree element. | |
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The NextSiblingNode property returns the next neighboring node that is located at the same level with this node. | |
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The OverlayIndex property determines index of the overlay. | |
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The Parent property returns the parent element for this element. | |
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The PreviousNode property returns the previous element of the tree. | |
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The PreviousSelectedNode property returns the previous selected tree element. | |
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The PreviousSiblingNode property returns the previous neighboring node that is located at the same level with this node. | |
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The Selected property determines whether the element is selected. | |
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The SelectedIndex property determines index that connects the element with one of the images of the Images property that displays the selected elements. | |
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The StateIndex property determines index that connects the element with one of the images of the StateImages property that displays the state of the element. | |
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The Text property determines text of the first column for the current element. | |
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The Visible property determines whether the element is in the component visible area. |
| Property name | Brief description | |
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Count | The Count property returns the number of child elements. |
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FirstChild | The FirstChild property returns parameters of the first child element. |
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HasChildren | The HasChildren property determines whether this element has child elements. |
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Item | The Item property returns parameters of the specified child element. |
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LastChild | The LastChild property returns parameters of the last child element. |
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TreeControl | The TreeControl property returns the parent object. |
| Method name | Brief description | |
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The Delete method deletes the current element with all child elements of the tree. | |
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The EditText method returns the value that checks if the edit mode can be enabled. | |
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The EndEdit method enables the user to exit the edit mode of the text of the tree elements. | |
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The IsChild method determines whether the current element is a child for the element passing as in parameter. | |
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The IsParent method determines whether the current element is a parent for the element passing as in parameter. | |
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The MakeVisible method scrolls the tree of elements so that this element is in the visible area of the component. | |
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The MoveTo method moves top element to selected position. | |
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The SelectNode method selects the element of the tree. | |
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The SelectSiblings method selects the elements of the level, at which this element is located. | |
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The Sort method sorts by the contents of the specified column. | |
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The SortDefault method sorts the column specified in the SortColumn property by contents. | |
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The UnselectNode method deselects the element of the tree. | |
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The UnselectSiblings method deselects the elements of the level, at which this element is located. |
| Method name | Brief description | |
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AnyChildSelected | The AnyChildSelected method returns whether there are selected child elements. |
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Collapse | The Collapse method collapses the structure of child elements of the tree. |
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DeleteChildren | The DeleteChildren method deletes all child elements of the current element. |
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Expand | The Expand method expands hierarchy of the child elements tree. |
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SelectChildren | The SelectChildren method selects child elements. |
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UnselectChildren | The UnselectChildren method deselects child elements. |
See also: