Group: StrataFrame Developers
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The problem is that the CheckedTreeView uses the StateImageIndex of the TreeNode objects, not the Checked property. They all default to -1, and the possible values for the StateImageIndex are 0, 1, and 2 (unchecked, checked, and intermediate, respectively). So, when you're creating the nodes, just set their StateImageIndex to 0 before you add them to the tree and the checkboxes will show up.
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