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Wednesday, 5 March 2008

Re-initializing an Unbounded Array

Posted on 16:59 by Unknown
Suppose that you have been filling an array with values. Now you want to reinitialize the array to its original empty state. PowerBuilder doesn’t have an explicit function to help re-initialize the array, so you have to do it manually as described below.

Declare a dummy array of the same type. Never put any values into this array. When you want to re-initialize your "working array", assign it to the value of the empty array. This will clear out the "working" array and make the UpperBound function return the correct value (zero). See sample code below:
string ls_EmptyArray[]
string ls_NameArray[]

ls_NameArray[1] = "James"
... more work ...

// empty out Name Array
ls_NameArray = ls_EmptyArray
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Blog Archive

  • ▼  2008 (34)
    • ▼  March (14)
      • Retrieve an environment variable
      • Get a list of printers installed
      • List available ODBC datasources
      • How to get the current DBMS, Database or user thro...
      • Sorting Datawindow
      • Hexadecimal to Decimal
      • Julian Date
      • Hiding Application on Windows Taskbar
      • Hiding Desktop and Taskbar
      • Keeping Column into Array
      • Calling Oracle Stored Procs/Functions from PB
      • Re-initializing an Unbounded Array
      • Tracing on Running Application
      • Using Windows Scripting Host
    • ►  February (1)
    • ►  January (19)
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