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Stored procedures
WLanguage procedure called by OpenAsynchronous
WLanguage procedure ("callback") called by OpenAsynchronous after the window is closed. This procedure can be a local, global or internal procedure.
Example
// Open asynchronously without passing parameters
OpenAsynchronous(WIN_DateSelect, (), CloseDateSelect)
INTERNAL PROCÉDURE CloseDateSelect(SelectedDate)
EDT_DATE = SelectedDate
END
// Open asynchronously without passing parameters and lambda
OpenAsynchronous(WIN_DateSelect, (), (SelectedDate) => {EDT_DATE = SelectedDate})
// Open asynchronously with 2 parameters
OpenAsynchronous(WIN_DateSelect, (DateSys(), "Select a date"), CloseDateSelect)
INTERNAL PROCÉDURE CloseDateSelect(SelectedDate)
EDT_DATE = SelectedDate
END
Syntax
OpenAsynchronous_Callback(<Return value>)
<Return value>: Type of the return value
Corresponds to the value that will be returned by the window. This value can be returned:
  • via the RETURN statement in the closing code of the window,
  • via Close (Close("", Value)),
  • via the ReturnedValue property of the window.
Component: wd290obj.dll
Minimum version required
  • Version 27
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Last update: 11/14/2022

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