VB6 equivalent of string.IsNullOrEmpty

Question

I\'m doing some work on a legacy application, and my VB6 skills aren\'t that great. I need to check whether a String field has been initialized and set to something other th

Answer 1

VB6 was designed to be easy

Use

If str = "" Then 
  ' uninitialised, null or empty ""

• Strings are automatically initialized to [edit] a null string.
• The null string is vbNullString.
• But don't worry about null strings. A VB6 null string is indistinguishable from an empty string "" for (almost) any string manipulation.