Progress
Programming
Handbook
Advancing and Clearing Frames
When a block iterates, Progress advances any down frames scoped to the block to the next iteration. Progress also clears the field values in the screen buffer for all one-down frames scoped to the block. These actions take place only if you displayed or entered data into at least one of the fields in the frame during the iteration.
When a down frame is full, Progress clears the entire frame before displaying more data. You can use the RETAIN frame phrase option to specify a number of iterations of data that you do not want Progress to clear.
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