Specifies the index of the logical group to which a speed button belongs.
|componentObj||One of the user forms components listed in the Applies To section|
The property applies to the following components:
Speed buttons with equal non-zero
GroupIndex property values are gathered into a logical group of mutually exclusive buttons and are treated as a radio group. When one speed button in the group is clicked, it remains in the pressed state until another speed button of the same group is pressed.
The AllowAllUp property specifies whether all of the speed buttons in the group can be in the unpressed state.
If the speed buttons'
GroupIndex property value is 0, the buttons behave independently.
An integer value specifying the index of the logical group the speed button belongs to. The default value is 0.