Occurs when the mouse is held down over the button and the RepeatDelay
property is greater than 0.
Private Sub object_MouseHold ()
Where object is an object expression that evaluates to a SmartViewport
The SmartNetButton control includes a nice feature: you can hold the mouse down
and after waiting RepeatDelay
milliseconds, the button will start sending MouseHold events every lapse
of RepeatLapse milliseconds.
Setting RepeatDelay to 0 will
disable this feature.