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How to save and load the TreeNodeAdv in a collapsed or an expanded state?

The TreeViewAdv does not have support for saving its TreeNodeAdvCollection in an expanded or a collapsed state. This requirement can be achieved by the following steps.

  1. Save the Expanded or Collapsed state of each of its TreeNodeAdvCollection to a Dictionary.
  2. Reload the saved state based on user requirement.

The following code example demonstrates the same.



Figure 1: Tree Node state of the TreeViewAdv can be saved or loaded by choosing the Save Tree State and Load Tree State

Sample Links

C#: http://www.syncfusion.com/downloads/support/directtrac/142201/ze/TreeNodeAdvState-1931243813

VB: http://www.syncfusion.com/downloads/support/directtrac/142201/ze/TreeNodeAdvState_VB-2113180951

Article ID: Published Date: Last Revised Date: Platform: Control:
5364 08/18/2015 08/18/2015 Windows Forms TreeViewAdv
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