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A Windows-native, tristate checkbox TTreeView control
Recently I had to create a Delphi VCL form with a tree-like control. It should be a piece-of-cake with Delphi: just dropped a TTreeView control on the form and I was almost there. But there was one gotcha: I wanted to have checkboxes in each node. Worse: checkboxes that could hold three different states (checked, ...
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