TreeNodeStyle.Reset Metoda
Definice
Důležité
Některé informace platí pro předběžně vydaný produkt, který se může zásadně změnit, než ho výrobce nebo autor vydá. Microsoft neposkytuje žádné záruky, výslovné ani předpokládané, týkající se zde uváděných informací.
TreeNodeStyle Vrátí objekt do původního stavu.
public:
override void Reset();public override void Reset ();override this.Reset : unit -> unitPublic Overrides Sub Reset ()Příklady
Následující příklad kódu ukazuje, jak použít metodu Reset k vrácení objektu TreeNodeStyle do výchozího stavu.
<%@ 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 MergeButton_Click(Object sender, EventArgs e)
{
// Combine the leaf node styles of the TreeNodeOne TreeView and the
// TreeViewResults TreeView.
TreeViewResults.LeafNodeStyle.MergeWith(TreeViewOne.LeafNodeStyle);
}
void ResetButton_Click(Object sender, EventArgs e)
{
// Reset the LeafNodeStyle of the TreeViewResults TreeView.
TreeViewResults.LeafNodeStyle.Reset();
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>TreeNodeStyle MergeWith Example</title>
</head>
<body>
<form id="form1" runat="server">
<h3>TreeNodeStyle MergeWith 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"
LeafNodeStyle-ForeColor="Green"
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="MergeNodeStyleButton"
Text="Merge LeafNodeStyle"
OnClick="MergeButton_Click"
runat="server"/>
</td>
<td>
<asp:Button ID="ResetButton"
Text="Reset LeafNodeStyle"
OnClick="ResetButton_Click"
runat="server"/>
</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 MergeButton_Click(ByVal sender As Object, ByVal e As EventArgs)
' Combine the leaf node styles of the TreeNodeOne TreeView and the
' TreeViewResults TreeView.
TreeViewResults.LeafNodeStyle.MergeWith(TreeViewOne.LeafNodeStyle)
End Sub
Sub ResetButton_Click(ByVal sender As Object, ByVal e As EventArgs)
' Reset the LeafNodeStyle of the TreeViewResults TreeView.
TreeViewResults.LeafNodeStyle.Reset()
End Sub
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>TreeNodeStyle MergeWith Example</title>
</head>
<body>
<form id="form1" runat="server">
<h3>TreeNodeStyle MergeWith 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"
LeafNodeStyle-ForeColor="Green"
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="MergeNodeStyleButton"
Text="Merge LeafNodeStyle"
OnClick="MergeButton_Click"
runat="server"/>
</td>
<td>
<asp:Button ID="ResetButton"
Text="Reset LeafNodeStyle"
OnClick="ResetButton_Click"
runat="server"/>
</td>
</tr>
</table>
</form>
</body>
</html>
Poznámky
Reset Pomocí metody odeberte všechny dříve definované prvky stylu a resetujte TreeNodeStyle objekt do původního (tj. výchozího) stavu.