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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. // 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.
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