C# 0 The Complete Reference

PART II

C h a p t e r   2 4 :  

C o l l e c t i o n s ,   E n u m e r a t o r s ,   a n d   I t e r a t o r s    

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In addition to the properties defined by the interfaces that it implements, 

List

 adds 

Capacity

, shown here:

public int Capacity { get; set; }

Capacity

 gets or sets the capacity of the invoking list. The capacity is the number of elements 

that can be held before the list must be enlarged. Because a list grows automatically, it is not 

necessary to set the capacity manually. However, for efficiency reasons, you might want to 

set the capacity when you know in advance how many elements the list will contain. This 

prevents the overhead associated with the allocation of more memory.

The following indexer, defined by