How can I make (ItemRenderer) checkboxes appear in high level only on AdvancedDataGrid

Here is what I have

img1.JPG

Its an advanced with column in tree data grid. I don't want only a single checkbox on the first line. All expanded children should have nothing.

My code is to use a "inline", so I think I'll need to move, that. Any ideas?

<mx:AdvancedDataGrid 
 width="100%" 
 height="100%"
 treeColumn="{area}"> 
 <mx:dataProvider>
  <mx:HierarchicalData 
   source="{dpHierarchy}" 
   childrenField="details"/>
 </mx:dataProvider>
  
 <mx:columns>
  <mx:AdvancedDataGridColumn dataField="NM" headerText="Name"/>
  <mx:AdvancedDataGridColumn 
   id="area" 
   dataField="NM"
   headerText="Details"/>  
   
  <mx:AdvancedDataGridColumn 
   id="myCb" 
   dataField="MY_FLAG" 
   headerText="Select"
   itemRenderer="mx.controls.CheckBox" 
   rendererIsEditor="true" 
   editorDataField="selected"/>    
 </mx:columns>
</mx:AdvancedDataGrid>

The rendering engine who hear his alpha = 0 or 1 depending on whether the data is the first

line

Tags: Flex

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