Parameters
If your ABF or Vision application passes parameters between frames or procedures, be sure that:
• You have used the byref keyword with any parameter whose value is to be changed when it is returned to the calling frame
• You are using the correct 3GL data types to receive any parameters that you pass to 3GL procedures
• Your parameter list for a call system statement does not cause the statement to exceed the limit for the operating system command line
• Your parameter list for a call report statement:
– Does not cause the statement to exceed the limit for the operating system command line
– Contains only quoted strings that conform to your operating system rules for quotes on command lines
– Contains no unquoted dates
• Form field names match correctly for queries or forms that you pass as parameters