Returns or sets the index of the active thumb of the object.
Object.ThumbActive [ = lThumbActive ]
The ThumbActive property syntax has the following parts:
| Name | Type | Inscription | 
| Object | ASlider | ASlider control | 
| lThumbActive | Long | An integer specifying the index of the active thumb of the object. | 
The default is -1 (no active thumb). The index is zero-based.
The following statement changes the ASlider's first thumb's ThumbActive so the index is one.
sld1.ThumbActive(0)=1
AThumb.Mode, AThumb.Name, AThumb.Style, AThumb.Value, ThumbCount, Thumbs