<div style="direction: ltr;">I'm looking for some assistance extending the TreeListCtrl class to<br>include the check box ability of the CustomTreeCtrl as well as 3-state<br>check boxes.<br><br>Main Column Column1
<br>----------------------------------------- -------------<br>[o] Child1<br>|-----[ ]Child1.1<br>|-----[ ]Child1.2<br>|-----[o]Child1.3<br> |-----[ ]Child1.3.1 Value1<br> |-----[ ]Child1.3.2 Value2
<br> |-----[ ]Child1.3.3 Value3<br> |-----[X]Child1.3.4 Value4<br>[o] Child2<br>|-----[ ]Child2.1<br>|-----[ ]Child2.2<br>|-----[ ]Child2.3<br>|-----[o]Child2.4<br> |-----[ ]Child2.4.1 Value1
<br> |-----[X]Child2.4.2 Value2<br> |-----[ ]Child2.4.3 Value3<br> |-----[ ]Child2.4.4 Value4<br>[o] Child3<br>|-----[ ]Child3.1<br>|-----[ ]Child3.2<br>|-----[ ]Child3.3
<br>|-----[ ]Child3.4<br> |-----[ ]Child3.4.1 Value1<br> |-----[ ]Child3.4.2 Value2<br> |-----[ ]Child3.4.3 Value3<br> |-----[ ]Child3.4.4 Value4
<br><br>Any ideas on the easiest and most effective way to do this?<br></div>