I have a groupbox of checkboxes, I want to link the groupbox with Themes checkbox Themes image is an example. How to link Theme1 and Theme2 with Themes?

Checkbox indeterminate for checkbox groupbox

Created Dec 19, 2013 Edited Dec 19, 2013

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I have a groupbox of checkboxes, I want to link the groupbox with Themes checkbox Groupbox checkbox Themes image is an example.

How to link Theme1 and Theme2 with Themes? Checkbox controlled by Example groupbox

winforms c#