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Zoppo, thank you for your prompt response. I will give this a try and post back my results.
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Zoppo, thank you for your prompt response. I will give this a try and post back my results.

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The solution worked for me.
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I have a CSplitterWnd with two panes, A and B. In each pane, there is a CTreeCtrl. I want to be able to expand a node in the B tree control when the user clicks to expand a node in the A tree control. I want to save the user the step of expanding both CTreeCtrl. Sort of a &quot;synchronized&quot; Node Expansion. Is there some way to send a message from the A-pane (or CTreeCtrl-A) to the B-Pane (or CTreeCtrl-B) and tell it to expand?
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I have a CSplitterWnd with two panes, A and B. In each pane, there is a CTreeCtrl. I want to be able to expand a node in the B tree control when the user clicks to expand a node in the A tree control. I want to save the user the step of expanding both CTreeCtrl. Sort of a "synchronized" Node Expansion. Is there some way to send a message from the A-pane (or CTreeCtrl-A) to the B-Pane (or CTreeCtrl-B) and tell it to expand?

how can I expand multiple ctreectrls in a splitter window

Kernel and system programming is the process of creating the software necessary for a computer or device to function and operate other programs. Some operating systems (such as Microsoft Windows) are proprietary, but others, such as the various Linux distributions, are open source.