TreeNodeStyle.MergeWith(Style) 方法
定義
重要
部分資訊涉及發行前產品，在發行之前可能會有大幅修改。 Microsoft 對此處提供的資訊，不做任何明確或隱含的瑕疵擔保。
結合指定 Style 物件的樣式屬性與目前 TreeNodeStyle 物件的樣式屬性。
public:
override void MergeWith(System::Web::UI::WebControls::Style ^ s);public override void MergeWith(System.Web.UI.WebControls.Style s);override this.MergeWith : System.Web.UI.WebControls.Style -> unitPublic Overrides Sub MergeWith (s As Style)參數
範例
以下程式碼範例示範如何利用該 MergeWith 方法將指定 Style 物件的樣式屬性與 TreeNodeStyle 呼叫該方法的物件的樣式屬性結合起來。 注意只有未設定 TreeNodeStyle 的屬性被替換。
<%@ 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>
備註
使用該 MergeWith 方法將指定 Style 物件的樣式屬性與該方法所呼叫物件的 TreeNodeStyle 樣式屬性結合。
Note
此 MergeWith 方法透過將目前物件中未設定 TreeNodeStyle 的每個屬性與指定 Style 物件中對應的值連接。 只有尚未設定的屬性會被更新。 若指定 Style 物件中的屬性未被設定，目前 TreeNodeStyle 物件中對應的屬性不會改變。
