Member variable XbpBrowse():goTopBlock Foundation
Code block which moves the record pointer to the beginning of a table.
This instance variable contains a code block which moves the record pointer of the data source to the first record (the first data row of a table). An XbpBrowse object evaluates this code block in its method :goTop(), passing a reference to itself as an argument. When an XbpBrowse object is to display data from a work area, the code block assigned to :goTopBlock is normally {|| DbGoTop() }.
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