<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>