Help with variables!!!

[tich]

Hey all,
i'm making a program that copies a file byte per byte.
I want it to copy files that windows doesn't copy: Cyclic reduncy check
So i want to override the exceotion generated by a cyclic reduncy check.
First : What is this exception
Second: I need to make the variable "read" public. How can i do that?
thx.

 

[ManicCW]

you can catch exeption in try block like:

try
'your code
catch ex as exeption
'your code if first fails
finnaly
'your code
end try

declare variable as public:

Public SomeVariable As String = "Something"
or
Public Shared SomeVariable As String = "Something"

 

[tich]

Thx man.
But to declare this variable as public, i have to declare it outside the button_click procedure. Look at this and see if you can help mewe are talking about the variable x):

dim h as string
if checkbox1.checked=true then
h=textbox1.text
else if checkbox2.checked=true then
h=textbox2.text
end if
dim x as system.io.stream = new system.io.filestream(h,filemode.open,fileaccess.read)

so the path is variable and i can't put all this before the procedure!!

 

[ManicCW]

Public x as system.io.stream 
Dim h As String
 
Private Button_Click (...) Handles Button.Click
if checkbox1.checked=true then
h=textbox1.text
else if checkbox2.checked=true then
h=textbox2.text
end if
x = new system.io.filestream(h,filemode.open,fileaccess.re ad)
End Sub

I don't know what is the problem. I probably don't understand what you are trying to say. Hope this helps.

 

[Paszt]

Research variable scope. You probably don't need to make the variable Public as Public variables are accesible from outside the class. It would most likely suffice to make the variable Private. A Private variable would still be a class level variable, accessible everywhere in the class but not elsewhere. It's best to keep the variable's scope as narrow as possible.

 

[tich]

ahh i never thought of that.

10x

it works

alleluia!!!

But i still want to know how to override the cyclic reduncy check exception!!!

 

[gripusa]

My Dear Look at first answer, just put ur code inside a Try Catch Block, but what i m thinking that u r asking some thing else plz elaborate ur question

 

[ManicCW]

Cyclic redundance check will throw an exeption (i beleive i'm not sure because i don't deal with that area). So you just need to put your code for handeling that exeption after Catch line.