TreeView.NodeWrap 属性

定义

获取或设置一个值,它指示空间不足时节点中的文本是否换行。

public:
 property bool NodeWrap { bool get(); void set(bool value); };
public bool NodeWrap { get; set; }
member this.NodeWrap : bool with get, set
Public Property NodeWrap As Boolean

属性值

Boolean

若要使文本换行,则为 true;否则为 false。 默认值为 false

示例

下面的代码示例演示如何使用 NodeWrap 属性来包装控件的文本 TreeView


<%@ Page Language="C#" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
  <head runat="server">
    <title>TreeView NodeWrap Example</title>
</head>
<body>
    <form id="form1" runat="server">
    
      <h3>TreeView NodeWrap Example</h3>
      
      <table border="1">
      
        <tr>
          <!-- Setting the width of the cell to a small value          -->
          <!-- will cause the TreeView control to wrap if the NodeWrap -->
          <!-- property is set to true.                                -->
          <td style="width:20">
    
            <asp:TreeView id="LinksTreeView"
              Font-Names= "Arial"
              ForeColor="Blue"
              NodeWrap="true"
              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"
                  SelectAction="None">
             
                  <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>
      
          </td>
        
        </tr>
      
      </table>

    </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">
<html xmlns="http://www.w3.org/1999/xhtml" >
  <head runat="server">
    <title>TreeView NodeWrap Example</title>
</head>
<body>
    <form id="form1" runat="server">
    
      <h3>TreeView NodeWrap Example</h3>
      
      <table border="1">
      
        <tr>
          <!-- Setting the width of the cell to a small value          -->
          <!-- will cause the TreeView control to wrap if the NodeWrap -->
          <!-- property is set to true.                                -->
          <td style="width:20">
    
            <asp:TreeView id="LinksTreeView"
              Font-Names= "Arial"
              ForeColor="Blue"
              NodeWrap="true"
              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"
                  SelectAction="None">
             
                  <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>
      
          </td>
        
        </tr>
      
      </table>

    </form>
  </body>
</html>

注解

使用该 NodeWrap 属性可以指定在每一个节点中显示的文本是否在空间不足时包装。

此属性的值存储在视图状态中。

适用于

另请参阅