AutomationElementCollection.Item[Int32] 属性

定义

命名空间:

System.Windows.Automation

程序集:

UIAutomationClient.dll

获取位于指定索引处的 AutomationElement。

public:
 property System::Windows::Automation::AutomationElement ^ default[int] { System::Windows::Automation::AutomationElement ^ get(int index); };

public System.Windows.Automation.AutomationElement this[int index] { get; }

member this.Item(int) : System.Windows.Automation.AutomationElement

Default Public ReadOnly Property Item(index As Integer) As AutomationElement

参数

index

Int32

集合中元素的从零开始的索引。

属性值

AutomationElement

指定索引处的 AutomationElement。

例外

IndexOutOfRangeException

为 index 指定了一个负整数，或 index 大于或等于 Count。

示例

In the following example, the first element is retrieved from an AutomationElementCollection.

// desktopChildren is a collection of AutomationElement objects.
AutomationElement firstWindow;
try
{
    firstWindow = desktopChildren[0];
}
catch (IndexOutOfRangeException)
{
    Console.WriteLine("No AutomationElement at that index.");
}

' desktopChildren is a collection of AutomationElement objects.
Dim firstWindow As AutomationElement
Try
    firstWindow = desktopChildren(0)
Catch ex As IndexOutOfRangeException
    Console.WriteLine("No AutomationElement at that index.")
End Try