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Synchronizing Check Boxes of the Tree Nodes
Synchronizing Checkboxes of the Tree Nodes
Topic Overview
Purpose
This topic demonstrates synchronizing checkboxes of the WinTree™ between parent and child nodes.
Introduction
In standard view, the WinTree already has the ability to display checkboxes on nodes. This feature provides the ability to synchronize the checkboxes automatically such that a parent node displays checked, unchecked or in an indeterminate state, based on the checked state of its child nodes.
Note
Note:
This feature only applies to nodes in the standard view of the tree nodes, not column views.
The following table illustrates how the checkbox states are synchronized and displayed.
Checkbox synchronization
Checkbox state
Parent is checked if all children are checked.
Parent is unchecked if all children are unchecked.
Parent is indeterminate if some children are checked and others unchecked.
Note
Note:
This feature only applies to checkboxes appearing as follows:
Applies to nodes appearing in front of a result of the NodeStyle property
Does not apply to nodes displayed as either in a grid or in an OutlookExpress style
Does not apply to checkboxes in cells or columns
Example
Following is the code that enables checkbox synchronization via the NodeStyle property.
