TreeNodeCollection.Item[Int32] 속성
정의
중요
일부 정보는 릴리스되기 전에 상당 부분 수정될 수 있는 시험판 제품과 관련이 있습니다. Microsoft는 여기에 제공된 정보에 대해 어떠한 명시적이거나 묵시적인 보증도 하지 않습니다.
TreeNode 개체의 지정된 인덱스에 있는 TreeNodeCollection 개체를 가져옵니다.
public:
property System::Web::UI::WebControls::TreeNode ^ default[int] { System::Web::UI::WebControls::TreeNode ^ get(int index); };public System.Web.UI.WebControls.TreeNode this[int index] { get; }member this.Item(int) : System.Web.UI.WebControls.TreeNodeDefault Public ReadOnly Property Item(index As Integer) As TreeNode매개 변수
속성 값
TreeNode의 지정된 인덱스에 있는 TreeNodeCollection 개체입니다.
예제
다음 예제에서는 요소에 액세스 하려면 인덱서를 사용 하는 방법에 설명 합니다 TreeNodeCollection합니다. 다음에 유의 합니다 Nodes 및 ChildNodes 속성 반환을 TreeNodeCollection 개체.
<%@ Page Language="C#" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
void Page_Load(Object sender, EventArgs e)
{
if (!IsPostBack)
{
// Use the Add and Remove methods to programmatically
// remove the Appendix C node and replace it with a new
// node.
LinksTreeView.Nodes.Remove(LinksTreeView.Nodes[3]);
LinksTreeView.Nodes.Add(new TreeNode("New Appendix C"));
// Use the AddAt and RemoveAt methods to programmatically
// remove the Chapter One node and replace it with a new node.
LinksTreeView.Nodes[0].ChildNodes.RemoveAt(0);
LinksTreeView.Nodes[0].ChildNodes.AddAt(0, new TreeNode("New Chapter One"));
// Use the Clear method to remove all the child nodes of the
// Chapter Two node.
LinksTreeView.Nodes[0].ChildNodes[1].ChildNodes.Clear();
}
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>TreeNodeCollection Example</title>
</head>
<body>
<form id="form1" runat="server">
<h3>TreeNodeCollection Example</h3>
<asp:TreeView id="LinksTreeView"
Font-Names= "Arial"
ForeColor="Blue"
runat="server">
<LevelStyles>
<asp:TreeNodeStyle ChildNodesPadding="10"
Font-Bold="true"
Font-Size="12pt"
ForeColor="DarkGreen"/>
<asp:TreeNodeStyle ChildNodesPadding="5"
Font-Bold="true"
Font-Size="10pt"/>
<asp:TreeNodeStyle ChildNodesPadding="5"
Font-UnderLine="true"
Font-Size="10pt"/>
<asp:TreeNodeStyle ChildNodesPadding="10"
Font-Size="8pt"/>
</LevelStyles>
<Nodes>
<asp:TreeNode Text="Table of Contents"
Expanded="true">
<asp:TreeNode Text="Chapter One">
<asp:TreeNode Text="Section 1.0">
<asp:TreeNode Text="Topic 1.0.1"/>
<asp:TreeNode Text="Topic 1.0.2"/>
<asp:TreeNode Text="Topic 1.0.3"/>
</asp:TreeNode>
<asp:TreeNode Text="Section 1.1">
<asp:TreeNode Text="Topic 1.1.1"/>
<asp:TreeNode Text="Topic 1.1.2"/>
<asp:TreeNode Text="Topic 1.1.3"/>
<asp:TreeNode Text="Topic 1.1.4"/>
</asp:TreeNode>
</asp:TreeNode>
<asp:TreeNode Text="Chapter Two">
<asp:TreeNode Text="Section 2.0">
<asp:TreeNode Text="Topic 2.0.1"/>
<asp:TreeNode Text="Topic 2.0.2"/>
</asp:TreeNode>
</asp:TreeNode>
</asp:TreeNode>
<asp:TreeNode Text="Appendix A" />
<asp:TreeNode Text="Appendix B" />
<asp:TreeNode Text="Appendix C" />
</Nodes>
</asp:TreeView>
</form>
</body>
</html>
<%@ Page Language="VB" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs)
If Not IsPostBack Then
' Use the Add and Remove methods to programmatically
' remove the Appendix C node and replace it with a new
' node.
LinksTreeView.Nodes.Remove(LinksTreeView.Nodes(3))
LinksTreeView.Nodes.Add(New TreeNode("New Appendix C"))
' Use the AddAt and RemoveAt methods to programmatically
' remove the Chapter One node and replace it with a new node.
LinksTreeView.Nodes(0).ChildNodes.RemoveAt(0)
LinksTreeView.Nodes(0).ChildNodes.AddAt(0, New TreeNode("New Chapter One"))
' Use the Clear method to remove all the child nodes of the
' Chapter Two node.
LinksTreeView.Nodes(0).ChildNodes(1).ChildNodes.Clear()
End If
End Sub
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>TreeNodeCollection Example</title>
</head>
<body>
<form id="form1" runat="server">
<h3>TreeNodeCollection Example</h3>
<asp:TreeView id="LinksTreeView"
Font-Names= "Arial"
ForeColor="Blue"
runat="server">
<LevelStyles>
<asp:TreeNodeStyle ChildNodesPadding="10"
Font-Bold="true"
Font-Size="12pt"
ForeColor="DarkGreen"/>
<asp:TreeNodeStyle ChildNodesPadding="5"
Font-Bold="true"
Font-Size="10pt"/>
<asp:TreeNodeStyle ChildNodesPadding="5"
Font-UnderLine="true"
Font-Size="10pt"/>
<asp:TreeNodeStyle ChildNodesPadding="10"
Font-Size="8pt"/>
</LevelStyles>
<Nodes>
<asp:TreeNode Text="Table of Contents"
Expanded="true">
<asp:TreeNode Text="Chapter One">
<asp:TreeNode Text="Section 1.0">
<asp:TreeNode Text="Topic 1.0.1"/>
<asp:TreeNode Text="Topic 1.0.2"/>
<asp:TreeNode Text="Topic 1.0.3"/>
</asp:TreeNode>
<asp:TreeNode Text="Section 1.1">
<asp:TreeNode Text="Topic 1.1.1"/>
<asp:TreeNode Text="Topic 1.1.2"/>
<asp:TreeNode Text="Topic 1.1.3"/>
<asp:TreeNode Text="Topic 1.1.4"/>
</asp:TreeNode>
</asp:TreeNode>
<asp:TreeNode Text="Chapter Two">
<asp:TreeNode Text="Section 2.0">
<asp:TreeNode Text="Topic 2.0.1"/>
<asp:TreeNode Text="Topic 2.0.2"/>
</asp:TreeNode>
</asp:TreeNode>
</asp:TreeNode>
<asp:TreeNode Text="Appendix A" />
<asp:TreeNode Text="Appendix B" />
<asp:TreeNode Text="Appendix C" />
</Nodes>
</asp:TreeView>
</form>
</body>
</html>
설명
이 인덱서를 사용 하 여 액세스 하는 TreeNode 에서 개체를 TreeNodeCollection 배열 표기법을 사용 하 여 지정 된 인덱스입니다. 인덱서를 사용 하면 수정 하거나 교체 하는 TreeNode 컬렉션에서 직접 개체입니다. 컬렉션은 0부터 시작 합니다.