TreeView Control Properties in VB.NET

How to use the TreeView Control Properties in VB.NET?

Explanation

Tree View Control Properties

Following table lists the Properties, Events, Methods used commonly with the Tree View Control in Visual Basic.net 2008.
Properties:
Properties Description
BorderStyle Property used to Get or set the tree views border style.
CheckBoxes Property used to set or get whether the checkboxes be displayed next to tree nodes.
FullRowSelect Property used to set or get whether the selection should select the whole width of a treeview.
HideSelection Property used to get or set whether the selected tree node stays highlighted when the tree view looses focus.
HotTracking Property used to get or set whether the tree node changes appearance on mouse over.
ImageIndex Property used to get or set image list index of the current image.
ImageList Property used to get or set image list used with this tree view.
Indent Property used to get or set the distance that each level should be indented.
ItemHeight Property used to get or set the height of the tree nodes.
LabelEdit Property used to get or set whether the tree note text can be edited.
Nodes Property used to get a collection of tree nodes.
PathSeperator Property used to get or set the string the tree node uses as a path delimiter.
Scrollable Property used whether to display scroll bars or not.
SelectedImageIndex Property used to get or set an image index for an image to display when a node is selected.
SelectedNode Property used to get or set the selected node.
ShowLines Property used to get or set whether the lines need to be drawn between the nodes.
ShowPlusMinus Property used to get or set whether plus or minus button need to be shown near the tree nodes with the child tree.
ShowRootLines Property used to get or set whether lines should be drawn between the tree nodes and the root node.
Sorted Property used to get or set whether the tree nodes should be sorted.
TopNode Property used to get first visible node.
VisibleCount Property used to get the number of nodes that can be seen currently.
Methods:
Events Description
BeginUpdate Disabled redrawing of the tree view.
CollapseAll Collapse All nodes.
EndUpdate Enables redrawing of the tree view.
ExpandAll Expands all nodes.
GetNodeAt Gets the node that is at the given location.
GetNodeCount Gets the number of nodes.
Events:
Events Description
AfterCheck Triggered when a node checkbox is checked.
AfterCollapse Triggers when a tree node is collapsed.
AfterExpand Triggered when the tree node is expanded.
AfterLabelEdit Triggers when the tree node label text is edited.
AfterSelect Triggers when a tree node is selected.
BeforeCheck Triggered before the a node checkbox is checked.
BeforeCollapse Triggers before a node is collapsed.
BeforeExpand Triggered before a node is expanded.
BeforeLabelEdit Triggers before a node label text is edited.
BeforeSelect Triggers before a node is selected.
ItemDrag Triggers when an item s dragged into the tree view.

Thus you can use the treeview control properties in an effective way.

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