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TreeNodeStyle.CopyFrom(Style) Método

Definição

Copia as propriedades de estilo do Style objeto atual TreeNodeStyle objeto.

public:
 override void CopyFrom(System::Web::UI::WebControls::Style ^ s);
public override void CopyFrom (System.Web.UI.WebControls.Style s);
override this.CopyFrom : System.Web.UI.WebControls.Style -> unit
Public Overrides Sub CopyFrom (s As Style)

Parâmetros

s
Style

O Style para cópia.

Exemplos

O exemplo de código a TreeNodeStyle seguir demonstra como usar o CopyFrom método para copiar as propriedades de estilo do objeto especificado Style no objeto que chama esse método. Observe que todas as propriedades de estilo são substituídas.


<%@ 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 Button_Click(Object sender, EventArgs e)
  {

    // Copy the leaf node styles from the TreeNodeOne TreeView into the 
    // TreeViewResults TreeView.
    TreeViewResults.LeafNodeStyle.CopyFrom(TreeViewOne.LeafNodeStyle);

  }

</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
  <head runat="server">
    <title>TreeNodeStyle CopyFrom Example</title>
</head>
<body>  
    <form id="form1" runat="server">
    
      <h3>TreeNodeStyle CopyFrom Example</h3>
      
      <table cellspacing="30">
        
        <tr>
        
          <th>
          
            TreeView One
          
          </th>
          
          <th>
          
            TreeView Result
          
          </th>
        
        </tr>
        
        <tr valign="top">
        
          <td>
          
            <!-- Set the styles for the leaf nodes declaratively. -->
            <asp:TreeView id="TreeViewOne"
              ExpandDepth="4" 
              LeafNodeStyle-BackColor="Yellow"
              LeafNodeStyle-Font-Bold="true"  
              LeafNodeStyle-ForeColor="Black"  
              runat="server">
         
              <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>
            
                </asp:TreeNode>
        
              </Nodes>
        
            </asp:TreeView>
          
          </td>
          
          <td>
          
            <!-- Set the styles for the leaf nodes declaratively. -->
            <asp:TreeView id="TreeViewResults"
              ExpandDepth="4"   
              runat="server">
         
              <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>
            
                </asp:TreeNode>
        
              </Nodes>
        
            </asp:TreeView>
          
          </td>
        
        </tr>
        
        <tr>
        
          <td>
          
            <asp:Button ID="CopyNodeStyleButton" 
              Text="Copy LeafNodeStyle"
              OnClick="Button_Click" 
              runat="server"/>
          
          </td>
          
          <td>
          
             
          
          </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">
<script runat="server">

  Sub Button_Click(ByVal sender As Object, ByVal e As EventArgs)

    ' Copy the leaf node styles from the TreeNodeOne TreeView into the 
    ' TreeViewResults TreeView.
    TreeViewResults.LeafNodeStyle.CopyFrom(TreeViewOne.LeafNodeStyle)

  End Sub

</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
  <head runat="server">
    <title>TreeNodeStyle CopyFrom Example</title>
</head>
<body>  
    <form id="form1" runat="server">
    
      <h3>TreeNodeStyle CopyFrom Example</h3>
      
      <table cellspacing="30">
        
        <tr>
        
          <th>
          
            TreeView One
          
          </th>
          
          <th>
          
            TreeView Result
          
          </th>
        
        </tr>
        
        <tr valign="top">
        
          <td>
          
            <!-- Set the styles for the leaf nodes declaratively. -->
            <asp:TreeView id="TreeViewOne"
              ExpandDepth="4"
              LeafNodeStyle-BackColor="Yellow"
              LeafNodeStyle-Font-Bold="true"  
              LeafNodeStyle-ForeColor="Black"   
              runat="server">
         
              <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>
            
                </asp:TreeNode>
        
              </Nodes>
        
            </asp:TreeView>
          
          </td>
          
          <td>
          
            <!-- Set the styles for the leaf nodes declaratively. -->
            <asp:TreeView id="TreeViewResults"
              ExpandDepth="4"   
              runat="server">
         
              <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>
            
                </asp:TreeNode>
        
              </Nodes>
        
            </asp:TreeView>
          
          </td>
        
        </tr>
        
        <tr>
        
          <td>
          
            <asp:Button ID="CopyNodeStyleButton" 
              Text="Copy LeafNodeStyle"
              OnClick="Button_Click" 
              runat="server"/>
          
          </td>
          
          <td>
          
             
          
          </td>
        
        </tr>
      
      </table>
       
    </form>
  </body>
</html>

Comentários

Use o CopyFrom método para duplicar as propriedades de estilo do objeto especificado Style no TreeNodeStyle objeto que chama esse método.

Observação

Todas as propriedades no objeto atual TreeNodeStyle são substituídas pelas propriedades correspondentes no objeto especificado Style .

Para copiar propriedades de estilo sem substituir os valores que já foram definidos, use o MergeWith método.

Aplica-se a

Confira também