topExpand(amount: Number, ignoreInvalid: Boolean);
amount. Number of rows by which the range should be expanded.
ignoreInvalid. Indicates if non-existing table rows are ignored. If the parameter is set to True non-existing rows are ignored, when the parameter is False, they are not ignored.
The topExpand method expands the range of table cells to the top by specified number of rows.
This method returns a Number type value: that is, the number of rows by which the range is expanded.
The example of use is given on the page with description of the TabSheetRange.bottomExpand method.
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