Solved

dim vs private in class

Posted on 2011-09-14
5
350 Views
Last Modified: 2012-06-21
Hi,

a question I've been stumbling upon just now but can't figure out.

Whats the difference between for example:

Dim x as int32
private x as int32

within a class?
0
Comment
Question by:Mutsop
5 Comments
 
LVL 39

Assisted Solution

by:appari
appari earned 125 total points
ID: 36534488
Dim is used to declare variables and allocate memory space.
Private used as access modifier for the variable, We can optionally omit Dim by declaring the variable after the access modifier
If we don't specify an access modifier on a variable it will be Private by default.

0
 
LVL 15

Accepted Solution

by:
Minh Võ Công earned 150 total points
ID: 36534845
0
 
LVL 40

Assisted Solution

by:Jacques Bourgeois (James Burger)
Jacques Bourgeois (James Burger) earned 125 total points
ID: 36534873
In a class, they are the same. However, in a structure, Dim becomes Public.

So, as a good practice, and to prepare your declarations from eventual copy and somewhere else, it is better to use Private to declare the members of a class.
0
 
LVL 5

Assisted Solution

by:speak2ab
speak2ab earned 100 total points
ID: 36534961

Dim - declare and allocate space for a variable Private - access modifier specifier

I believe your question comes from the fact that you sometimes see things like:

Class MyDemoCLass
   Dim mVar1 As Integer
   Private mVar2 As Integer
End Class

In the above example mVar1 and mVar2 declarations are logically equivalent - they both boil down to Private Dim mVar as Integer

This happens due to:

    Implicit Use of Dim. If you specify any of the modifiers Public, Protected, Friend, Protected Friend, Private, Shared, Shadows, Static, ReadOnly, or WithEvents, you can optionally omit the Dim keyword.

    Public maximumAllowed As Double
    Protected Friend currentUserName As String
    Private salary As Decimal
    Static runningTotal As Integer

(source: http://stackoverflow.com/questions/5401372/difference-between-dim-and-private-inside-a-vb-net-form)

Some very clear example can be found on microsofts page:
http://msdn.microsoft.com/en-us/library/7ee5a7s1%28v=vs.80%29.aspx
0
 
LVL 3

Author Closing Comment

by:Mutsop
ID: 36535151
Thanks alot :)
0

Featured Post

Courses: Start Training Online With Pros, Today

Brush up on the basics or master the advanced techniques required to earn essential industry certifications, with Courses. Enroll in a course and start learning today. Training topics range from Android App Dev to the Xen Virtualization Platform.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

A long time ago (May 2011), I have written an article showing you how to create a DLL using Visual Studio 2005 to be hosted in SQL Server 2005. That was valid at that time and it is still valid if you are still using these versions. You can still re…
If you need to start windows update installation remotely or as a scheduled task you will find this very helpful.
This tutorial gives a high-level tour of the interface of Marketo (a marketing automation tool to help businesses track and engage prospective customers and drive them to purchase). You will see the main areas including Marketing Activities, Design …
In a recent question (https://www.experts-exchange.com/questions/28997919/Pagination-in-Adobe-Acrobat.html) here at Experts Exchange, a member asked how to add page numbers to a PDF file using Adobe Acrobat XI Pro. This short video Micro Tutorial sh…

786 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question