TripleState Property

You can use the TripleState property to specify how a check box, toggle button, or option button will display Null values. Read/write Boolean.

expression.TripleState

expression   Required. An expression that returns one of the objects in the Applies To list.

Remarks

The TripleState property uses the following settings.

Setting Visual Basic Description
Yes True  The control will cycle through states for Yes, No, and Null values. The control appears dimmed (grayed) when its Value property is set to Null.
No False (Default) The control will cycle through states for Yes and No values. Null values display as if they were No values.

You can set the TripleState property by using a control's property sheet, a macro, or Visual Basic.

This property can be set in any view.