ICollection<T>.CopyTo(T[], Int32) 方法

定义

命名空间:
System.Collections.Generic
程序集:
System.Runtime.dll, mscorlib.dll, netstandard.dll

从特定的 ICollection<T> 索引开始，将 Array 的元素复制到一个 Array 中。Copies the elements of the ICollection<T> to an Array, starting at a particular Array index.

public:
 void CopyTo(cli::array <T> ^ array, int arrayIndex);
public void CopyTo (T[] array, int arrayIndex);
abstract member CopyTo : 'T[] * int -> unit
Public Sub CopyTo (array As T(), arrayIndex As Integer)

参数

array
T[]

一维 Array，它是从 ICollection<T> 复制的元素的目标。The one-dimensional Array that is the destination of the elements copied from ICollection<T>. Array 必须具有从零开始的索引。The Array must have zero-based indexing.

arrayIndex
Int32

array 中要从其开始复制的从零开始的索引。The zero-based index in array at which copying begins.

异常

ArgumentNullException

array 为 null。array is null.

ArgumentOutOfRangeException

arrayIndex 小于 0。arrayIndex is less than 0.

ArgumentException

源 ICollection<T> 中的元素个数大于从 arrayIndex 到目标 array 末尾之间的可用空间。The number of elements in the source ICollection<T> is greater than the available space from arrayIndex to the end of the destination array.

适用于