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Snippet Metadata
Summary: Expand/Increase size of an array
Language: C#
Author: Jan Zieschang
Author snippets RSS:
Culture: en-US
Bytes: 1291
Visual Studio 2005 Snippet:

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Code:
      /// 
      /// Expands the array by the given size.
      /// 
      /// the source array.  can be null. All values will be copied to the new array.
      /// Increment size of the new array
      /// types of the new array
      /// 
      /// if arrayItemType parameter is null.
      /// if size parameter is less or equal to zero
      /// if type of source array is not convertable to arrayItemType
      public static Array ExpandArray(Array array, int size, Type arrayItemType)
      {
         if(arrayItemType == null)
            throw new ArgumentNullException("arrayItemType");
         if(size <= 0)
            throw new ArgumentOutOfRangeException("size", size, "Size must be greater then 0!");
         Array me = Array.CreateInstance(arrayItemType, array == null ? size : array.Length + size);
         if(array != null && array.Length > 0)
         {
            for(int i = 0; i < array.Length; i++)
            {
               object val = array.GetValue(i);
               me.SetValue(Convert.ChangeType(val, arrayItemType) , i);
            }
         }
         return me;
      }

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