語言

ListItemCollection.CopyTo(Array, Int32) 方法

定義

命名空間:
System.Web.UI.WebControls
組件:
System.Web.dll

從指定索引開始，將項目 ListItemCollection 複製到指定的 Array。

public:
 virtual void CopyTo(Array ^ array, int index);
public void CopyTo(Array array, int index);
abstract member CopyTo : Array * int -> unit
override this.CopyTo : Array * int -> unit
Public Sub CopyTo (array As Array, index As Integer)

參數

array
Array

一個以零為Array基礎的 ，會從 中接收複製的項目。ListItemCollection

index
Int32

第一個索引 Array 用於接收項目。

實作

CopyTo(Array, Int32)

範例

// Copy the items in the ListItemCollection to an array before 
// deleting them.     
ListItem[] myListItemArray = new ListItem[ListBox1.Items.Count];
ListBox1.Items.CopyTo(myListItemArray, 0);

// Delete all the items from the ListBox.
ListBox1.Items.Clear();
DeleteLabel.Text = "<b>All items in the ListBox were deleted successfully." 
    + "</b><br /><b>The deleted items are:";
String listResults="";
    foreach(ListItem myItem in myListItemArray)
    {
        listResults = listResults + myItem.Text + "<br />";
    }
ResultsLabel.Text = listResults;

' Copy the items in the ListListBox1.Items to an array before 
' deleting them.     
Dim myListItemArray(ListBox1.Items.Count - 1) As ListItem
ListBox1.Items.CopyTo(myListItemArray, 0)

' Delete all the items from the ListBox.
ListBox1.Items.Clear()
DeleteLabel.Text = "<b>All items in the ListBox were deleted successfully." & _
                   "</b><br /><b>The deleted items are:"
Dim listResults As [String] = ""
Dim myItem2 As ListItem
For Each myItem2 In myListItemArray
    listResults = listResults & myItem2.Text & "<br />"
Next myItem2
ResultsLabel.Text = listResults

備註

使用此方法將 的內容從指定的索引開始複製 ListItemCollection 到 System.Array。

Note

參數 array 必須是零為基礎 System.Array的 。

適用於

另請參閱