Visual Basic 6 Interview Questions and Answers
Question - 21 : - What is the difference between Property Get, Set and Let?
Answer - 21 : - Set Value is assigned to ActiveX Object from the form.
Let Value is retried to ActiveX Object from the form.
Get- Assigns the value of an expression to a variable or property.
Question - 22 : - How to change the Mouse Pointer?
Answer - 22 : - Screen.MousePointer = VBHourGlass/VBNormal.
Question - 23 : - What is Friend Variable?
Answer - 23 : - Scope sharable between projects.
Question - 24 : - What is DBFailError?
Answer - 24 : - Rolls Back updates if any errors Occurs.
Question - 25 : - What are the record set types?
Answer - 25 : - RdOpenFowardOnly 0 (Default used only for the read only purpose)
RdOpenStatic 1
RdOpenDynamic 2
RdOpenKeySet 3 (Normally used for the live project)
Question - 26 : - What is the diff between RDO and ADO?
Answer - 26 : - RDO is Hierarchy model where as ADO is Object model. ADO can access data from both flat files as well as the data bases. I.e., It is encapsulation of DAO, RDO , OLE that is why we call it as OLE-DB Technology.
Question - 27 : - Diff types of Lock Types?
Answer - 27 : - RdConcurReadOnly 0 (Default)
RdConcurLock 1 (Pessimistic Locking)
RdConcurRowver 2 (Optimistic Lociking)
RdConcurValues 3
RdConcurBatch 4
Question - 28 : - What are the scopes of the class?
Answer - 28 : - Public, private, Friend
Question - 29 : - Have you create Properties and Methods for your own Controls?
Answer - 29 : - Properties Public variable of a Class
Method Public procedure of a class
Question - 30 : - Private Dim x as integer. Valid ?
Answer - 30 : - Private cannot be used in front of DIM.