Windows2.Item 方法 (Object)

项目
10/25/2012

返回 Windows 集合的一个索引成员。

命名空间： EnvDTE80
程序集： EnvDTE80（在 EnvDTE80.dll 中）

语法

声明
Function Item ( _
    index As Object _
) As Window

Window Item(
    Object index
)

Window^ Item(
    [InAttribute] Object^ index
)

abstract Item : 
        index:Object -> Window

function Item(
    index : Object
) : Window

参数

index
类型：System.Object
必选。要返回的项的索引。

返回值

类型：EnvDTE.Window
Window 对象。

备注

传递给 Index 的值是一个整数，该整数是某对象在其集合中的索引。但是对于许多对象，Index 的值还可以是等同于集合对象的字符串值。但是，Item 接受的精确值取决于集合及其实现。

如果集合找不到对应于索引值的对象，则 Item 方法引发 ArgumentException 异常。

示例

此示例显示 Windows2 集合中所有项的标题。

有关如何作为外接程序运行此示例的更多信息，请参见如何：编译和运行自动化对象模型代码示例。

Imports EnvDTE
Imports EnvDTE80
Public Sub OnConnection(ByVal application As Object, _
 ByVal connectMode As ext_ConnectMode, ByVal addInInst As Object, _
 ByRef custom As Array) Implements IDTExtensibility2.OnConnection
    _applicationObject = CType(application, DTE2)
    _addInInstance = CType(addInInst, AddIn)
    IterateItems(_applicationObject)
End Sub
Sub IterateItems(ByVal dte As DTE2)
    Dim win As Windows2
    win = CType(_applicationObject.Windows, EnvDTE80.Windows2)
    Dim aString As String
    aString = ""
    Dim count As Integer
    count = win.Count
    Dim i As Integer
    For i = 1 To count Step 1
        aString = aString & "The window number " & i & _
 " in the collection, has the caption: " & win.Item(i).Caption & vbCr
    Next
    MsgBox(aString)
End Sub

using EnvDTE;
using EnvDTE80;
using System.Windows.Forms;
public void OnConnection(object application, 
ext_ConnectMode connectMode, object addInInst, ref Array custom)
{
    _applicationObject = (DTE2)application;
    _addInInstance = (AddIn)addInInst;
    IterateItems(_applicationObject);
}
public void IterateItems(DTE2 dte)
{
    Windows2 win;
    win = (EnvDTE80.Windows2)_applicationObject.Windows;
    int count = win.Count;
    String aString = null;
    for (int i = 1; i <= count; i++ )
    {
        aString = aString + ("The window number " + i + 
" in the collection, has the caption: " + win.Item(i).Caption + "\n");
    }
    MessageBox.Show(aString);
}