A TreeView is a user interface control that presents a hierarchical view of information.
Contents |
Purpose
A tree is generally used to navigate in a complex data structure.
Samples
The following example demonstrates the fill a TreeView with sample-data.
Dim Parent As Node Parent = Tree1.Nodes.Add(Nothing, tvwFirst, "Users", "Users", UsergrayPng) Tree1.Nodes.Add(Parent, tvwFirst, "Sayid Jarrah", "Sayid Jarrah") Tree1.Nodes.Add(Parent, tvwFirst, "Kate Austen", "Kate Austen") Tree1.Nodes.Add(Parent, tvwFirst, "Mr. Eko", "Mr. Eko") Tree1.Nodes.Add(Parent, tvwFirst, "Ana-Lucia Cortez", "Ana-Lucia Cortez") Tree1.Nodes.Add(ParentNodeUser, tvwFirst, "Jack Shephard", "Jack Shephard") Parent.Expand = True Parent = Tree1.Nodes.Add(Nothing, tvwFirst, "Food", "Food", BasketPng) Tree1.Nodes.Add(Parent, tvwFirst, "Burger", "Burger") Tree1.Nodes.Add(Parent, tvwFirst, "Pizza", "Pizza") Tree1.Nodes.Add(Parent, tvwFirst, "Pasta", "Pasta") Parent.Expand = True