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Important Observations
- GROUP_BY's define a set of fields and simplify your code and reduce future maintenance effort.
- The MESSAGE command can display text messages or display a message from a message file.
- Database command have a VAL_ERROR() parameter, with a default value of *LASTDISPLAY. On error, this setting will branch to the routines EndRoutine statement.
- Event handling routines have a Com_Cursor parameter, which enables a "busy cursor" to be implemented.
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- How to define a GROUP_BY command
- How to define a MESSAGE command
- How to use the INSERT command
- How to define a BEGIN_LOOP/END_LOOP command
- How to use the Status Bar component to display application messages
- How to implement a "busy cursor"
- Be aware of other forms of "delay" feedback that are available.
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