Method XbpSpinButton():setData() Foundation
Sets the value of the edit buffer of the spinbutton.
:setData( [<nValue>] ) --> lSuccess
This method returns the value .T. (true) if the value of the edit buffer could be set, otherwise .F. (false) is returned.
The method :setData() copies a numeric value into the edit buffer of the XbpSpinButton object where it can be edited. The <nValue>parameter does not need to be specified if a data code block is contained in the :dataLink instance variable. In this case, this data code block is evaluated and its return value is used as <nValue> (see DataRef()).
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