>The 3 states of a regular check box are : checked, un-checked and indeterminate.
>The indeterminate state is usually indicated by a faint check mark (grayed out).
>I needed the indeterminate state in a treeview checkbox to represent part of the branch being checked.
>
>I think in VFP also if you bound a bool to a checkbox you could get the 3 states when the table was .T., .F. or .NULL.
>

You also get 3 states for values if 0 (false), 1 (true), and the indeterminate state for other than 0,1 values.


>
>>What 3 states do you mean? I have seen a grayed out state which indicates some of the group represented by the check box are checked in a sub-dialog. But isn't a check box by its nature binary?
>>
>>
>>>What the heck was M$ thinking when they created the treeview control?!!?
>>>I am very upset because it appears that the treeview control's checkboxes does not support 3 states.
>>>Has anyone else noticed this? What did you do instead?
>>>