Release 10.1A: OpenEdge Development:
Progress 4GL Handbook

NUM-BUFFERS attribute

This attribute returns the number of buffers for the query: 

DEFINE VARIABLE hQuery AS HANDLE      NO-UNDO. 
CREATE QUERY hQuery. 
hQuery:SET-BUFFERS(BUFFER Order:HANDLE, BUFFER Customer:HANDLE). 
hQuery:ADD-BUFFER(BUFFER SalesRep:HANDLE). 
MESSAGE "This dynamic query has "  
      hQuery:NUM-BUFFERS "buffers." VIEW-AS ALERT-BOX.

Figure 19–1 shows the result.

Figure 19–1: Number of buffers message

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