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Hello Pelli,
It is possible to achieve such behavior. You can use SelectionChanged event of the TreeView - then you can check if the selected item is root node - you can programmatically select its children (just don't forget to set the SelectionMode property of the TreeView to Extended or Multiple). For your convenience I implemented this approach in the attached project. I hope this will get you started. Please have in mind that this is an application logic and you should consider the behavior of the treeView in some cases - when the root node is deselected, when the user uses Ctr key to make a selection, etc.
Please let us know in case any further assistance is needed.
Regards,
Milena
Telerik
It is possible to achieve such behavior. You can use SelectionChanged event of the TreeView - then you can check if the selected item is root node - you can programmatically select its children (just don't forget to set the SelectionMode property of the TreeView to Extended or Multiple). For your convenience I implemented this approach in the attached project. I hope this will get you started. Please have in mind that this is an application logic and you should consider the behavior of the treeView in some cases - when the root node is deselected, when the user uses Ctr key to make a selection, etc.
Please let us know in case any further assistance is needed.
Regards,
Milena
Telerik
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