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WDialog:WantFocus() Method
A logical indicating whether a control wants the input focus
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Syntax
<oWnd>:WantFocus( <oCtrl>, <lWantFocus> )   -->   nil

Arguments
<oCtrl> is the control that has the input focus (possibly
temporarily).

<lWantFocus> is a logical indicating whether the control would
like the input focus.

Returns
NIL.

Description
This method can be used, with the KeepingFocus() method, to
co-ordinate which control has or retains the input focus.
Because several controls may want the focus, each must be
prepared not to be given it.

Example