Method TBrowse():invalidate() Foundation
Forces the TBrowse object to redisplay the browse window.
:invalidate() --> self:invalidate() returns a reference to the TBrowse object.
:invalidate() causes the TBrowse object to consider the browse window as invalid. When the condition of the browse window is invalid, TBrowse redraws the entire window, including header and footer lines. The values in the data rows are re-displayed, but not re-read from the data source. If re-reading the data source is required, the method :refreshAll() should be used instead.
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