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Once the function checker has been run and no fatal errors were found in the RDML program it is possible to use the screen design facility. The function checker is described in detail in preceding sections of this chapter.
It is easy to tell when the screen design facility can be used because a message like this will appear at the top of the screen:
 
Invoke the design facility for ________ SCREEN,REPORT
If this message does not appear at the top of the screen it will be for one of the following reasons:

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To invoke the screen design facility enter SCREEN in response to the message previously described and press enter.

 
 Sel  Seq  Lbl Command  Parameters and Screen Format Details
        7        REQUEST  FIELDS((#ORDNO) (#PRDNO) (#QTY)
                         Format name : R@F00001 Type : Single display  
       15        DISPLAY  FIELDS((#MAINHEAD))
                         Format name : R@F00002 Type : Single display  
                         Format name : R@F00003 Type : Single display  
       22        DISPLAY  FIELDS((#ORDERHEAD)) BROWSELIST (#ORDERLINE)  
                         Format name : R@F00004 Type : Browse hdr/list 
 
 

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This screen is a list of all the DISPLAY and REQUEST commands that were found in the RDML program and information about the screen format(s) that have been designed for them.
In this example, it can be seen that:

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  • Press the enter key without selecting any of the screen formats. In this case the RDML program will be re-displayed for amendment.
  • Select one of the screen formats to be (re)designed by entering any non-blank character beside it in the column headed "Sel".

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