Hallo,
>
> Das gibt mir aber den Fehler das ich nicht von GISPoint zu
> GISPoint[] wandeln kann ...
> auch klar ...
> Aber ich habe jetzt keine Ahnung wie ich die (Nennt man das
> so:) Collection - F�higkeit meiner
> Klasse geben kann ....
>
Du k�nntest Dir einen Ableitung der ArrayList erstellen,
die dann die GISPoint-Objekte aufnimmt.
Hier mal ein Sample aus dem TimeTracker Kit:
using System;
using System.Collections;
namespace ASPNET.StarterKit.TimeTracker.BusinessLogicLayer
{
//*********************************************************************
//
// CategoriesCollection Class
//
// The CategoriesCollection Class inherits from ArrayList. It has
its own implemenation
// of Sort based on the sortable Category fields.
//
//*********************************************************************
public class CategoriesCollection : ArrayList
{
public enum CategoryFields
{
Abbreviation,
Duration,
InitValue,
Name
}
public void Sort(CategoryFields sortField, bool isAscending)
{
switch (sortField)
{
case CategoryFields.Name:
base.Sort(new NameComparer());
break;
case CategoryFields.Abbreviation:
base.Sort(new
AbbreviationComparer());
break;
case CategoryFields.Duration:
base.Sort(new DurationComparer());
break;
}
if (!isAscending) base.Reverse();
}
private sealed class NameComparer : IComparer
{
public int Compare(object x, object y)
{
Category first = (Category) x;
Category second = (Category) y;
return first.Name.CompareTo(second.Name);
}
}
private sealed class AbbreviationComparer : IComparer
{
public int Compare(object x, object y)
{
Category first = (Category) x;
Category second = (Category) y;
return
first.Abbreviation.CompareTo(second.Abbreviation);
}
}
private sealed class DurationComparer : IComparer
{
public int Compare(object x, object y)
{
Category first = (Category) x;
Category second = (Category) y;
return
first.EstDuration.CompareTo(second.EstDuration);
}
}
}
}
Gruss
Alex
Kommt zur .NET Community Conference in Karlsruhe
http://www.dotnetcommunityconference.com
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