adaptive user control

anand.neeli · #1 (**permalink**) 06-28-2009, 6:07 AM

Hi Experts,

i have a user control which opens a file and renders data in some specific format.
is there a way to make sure that each instance of user control operate on different file (which can be obtained from mail form)

To tell shortly, how can user control be loaded with some paramaters/data from main form?

Thanks in advance.

newguy · #2 (**permalink**) 06-30-2009, 3:03 PM

Sure, make a Sub New with parameters in the UC's code:

Code:

Private m_FileName As String
Public Sub New(ByVal fileName As String)
   InitializeComponent()
   m_FileName = filename
End Sub

Then when you create the UC it will look like this:

Code:

Dim uc As New UserControl1("C:\test.txt")

Or you can just have the m_FileName set to Public and call it when creating it:

Code:

Dim uc As New UserControl1
uc.m_FileName = "C:\test.txt"

henryminute · #3 (**permalink**) 07-27-2009, 2:12 PM

I don't want to seem picky, but.
Fields should never be made public. The OP should create a Public Property for access to the m_Filename Field.

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