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How to expand all the child nodes of the selected TreeNodeAdv programatically?

In the TreeViewAdv, TreeNodeAdv can be expanded by using the Expand and ExpandAll functions.

  • Expand: This function helps to expand a particular TreeNodeAdv.
  • ExpandAll: This function helps to expand the node and all its sub nodes.

 

To expand all the child nodes under the selected TreeNodeAdv programmatically, follow the steps:

  1. Handle AfterSelect event that is triggered when the TreeNodeAdv is selected.
  2. Iterate the TreeNodeAdvCollection, and invoke the Expand function.

 

The following code example demonstrates the same.

C#

VB

 

Figure 1: Before expanding the TreeNodeAdv

Figure 2: After expanding the TreeNodeAdv on selection               

Sample Links:

C#: TreeViewAdv_AfterSelect_C#

VB: TreeViewAdv_AfterSelect_VB

Article ID: Published Date: Last Revised Date: Platform: Control:
5412 09/08/2015 09/08/2015 WinForms TreeViewAdv
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