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Fallon

10-19-2003 10:32 AM

[VB] Linked List question

I doubt that's the correct wording for it. I'm used to C, not VB. Anyway, I'm trying to make multiple instances of a something so that I can easily edit them, then I want to write it to a file. My problem right now is, I don't know how to make a list like that or if it's possible. Thanks.

hrdwareguy

10-20-2003 02:22 AM

If you know how many items you will need, you could put them into an array instead of a linked list.

T.U.B.

10-20-2003 06:16 AM

Quote:

Originally posted by hrdwareguy
If you know how many items you will need, you could put them into an array instead of a linked list.

You don't need to know the length of the array. You can Redim preserve the array to make it longer.
something like this:

Code:

Public Class Form1

    Inherits System.Windows.Forms.Form

    Dim YourArray() As YourClass



    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load

        '...

        'your code here

        '...

        PutInArray(YourInstance)

        '...

        WriteToFile(YourArray)

    End Sub

    Sub PutInArray(ByVal sYourInstance As YourClass)

        ReDim Preserve MyArray(YourArray.Length + 1)

        YourArray(YourArray.Length) = sYourInstance

    End Sub

    Sub WriteToFile(ByRef sYourArray As YourClass)

        Dim i As Integer

        'your file open code here

        For i = 0 To UBound(sYourArray)

            '...

            'your file write code here

            '...

        Next

        'your file close code here

    End Sub

End Class

Fallon

10-20-2003 07:24 AM

An example of the list that I'm using is:
Mob
char Name;
char longname;
char short;
int level;

and a bunch more after it. In all I think there are about 25 values that are needed.
There could be at least 1000 instances of each list.

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