Writing a correct function

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cmdolcet69 - 06 Mar 2008 18:59 GMT

How can i write a correct function: If i write a function as this:

Public Function BatterList (ByRef port as integer) as ImageList

Dim image1 as image

return image1

end function

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Tom Shelton - 06 Mar 2008 19:38 GMT

> How can i write a correct function: If i write a function as this:
>
[quoted text clipped - 5 lines]
>
> end function

I fail to understand the question... Can you possibly provide more
details? Looking at your code, I am wondering the purpose of the port
argument to your function, and why it is passed ByRef - but, I am not
sure what specifically you are looking for.

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Tom Shelton

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Terry - 06 Mar 2008 19:39 GMT

Not really sure what your question is, but I think
dim image1 as image
should be
dim image1 as New image

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Terry

> How can i write a correct function: If i write a function as this:
>
[quoted text clipped - 5 lines]
>
> end function

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Armin Zingler - 06 Mar 2008 19:40 GMT

> How can i write a correct function: If i write a function as this:
>
[quoted text clipped - 5 lines]
>
> end function

http://msdn2.microsoft.com/en-us/library/6xxtk8kx.aspx

Armin

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kimiraikkonen - 06 Mar 2008 19:57 GMT

> How can i write a correct function: If i write a function as this:
>
[quoted text clipped - 5 lines]
>
> end function

However in your function, "port" argument is missing and remains
unused. Also be sure that you really need "ByRef" instead of "ByVal".

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Herfried K. Wagner [MVP] - 07 Mar 2008 02:10 GMT

"cmdolcet69" <colin_dolcetti@hotmail.com> schrieb:

> How can i write a correct function: If i write a function as this:
>
[quoted text clipped - 5 lines]
>
> end function

What is the 'port' parameter for?

Why is it passed by-reference?

Your function would return 'Nothing' if its return type was changed to
'Image'.

An 'Image' is not an 'ImageList'.

Signature

M S Herfried K. Wagner
M V P <URL:http://dotnet.mvps.org/>
V B <URL:http://dotnet.mvps.org/dotnet/faqs/>

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Cor Ligthert[MVP] - 07 Mar 2008 04:32 GMT

cm,

I do it the same way as you, some like to write:

Return BatterList

However, because I use mostly very long names for methods (functions), I
like to return something I created or referenced in my method.

I assume that
Dim image1 as Image
was a typo and had to by in this sample
Dim image1 as ImageList
etc

Cor

> How can i write a correct function: If i write a function as this:
>
[quoted text clipped - 5 lines]
>
> end function

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Writing a correct function

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