TreeViewImageSet Enum
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Represents an image set to use in the TreeView control.
public enum class TreeViewImageSet
public enum TreeViewImageSet
type TreeViewImageSet =
Public Enum TreeViewImageSet
- Inheritance
Name | Value | Description |
---|---|---|
Custom | 0 | A user-defined set of images. This is the default value of the ImageSet. |
XPFileExplorer | 1 | A predefined set of Windows Explorer for Microsoft Windows XP-styled images. |
Msdn | 2 | A predefined set of Microsoft MSDN developer program-styled images. |
WindowsHelp | 3 | A predefined set of Microsoft Windows Help-styled images. |
Simple | 4 | A predefined set of simple-shaped outline images. |
Simple2 | 5 | A predefined set of filled simple-shaped images. |
BulletedList | 6 | A predefined set of diamond-shaped bullet images. |
BulletedList2 | 7 | A predefined set of square-shaped bullet images. |
BulletedList3 | 8 | A predefined set of sectioned, diamond shaped bullet images. |
BulletedList4 | 9 | A predefined set of alternate sectioned, diamond shaped bullet images in sizes that vary by level. |
Arrows | 10 | A predefined set of arrow images. |
News | 11 | A predefined set of newsgroup-styled images. |
Contacts | 12 | A predefined set of MSN Messenger-styled images. |
Inbox | 13 | A predefined set of email-styled images. |
Events | 14 | A predefined set of event log-styled images. |
Faq | 15 | A predefined set of FAQ-styled images. |
The following example demonstrates how to use the TreeViewImageSet
enumeration to indicate which image set to use in the TreeView control:
<%@ 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 ImageSet Example</title>
</head>
<body>
<form id="form1" runat="server">
<h3>TreeView ImageSet Example</h3>
<asp:TreeView id="LinksTreeView"
ImageSet="XPFileExplorer"
runat="server">
<Nodes>
<asp:TreeNode Value="Home"
NavigateUrl="Home.aspx"
Text="Home"
Target="_blank"
Expanded="True">
<asp:TreeNode Value="Page 1"
NavigateUrl="Page1.aspx"
Text="Page1"
Target="_blank">
<asp:TreeNode Value="Section 1"
NavigateUrl="Section1.aspx"
Text="Section 1"
Target="_blank"/>
</asp:TreeNode>
<asp:TreeNode Value="Page 2"
NavigateUrl="Page2.aspx"
Text="Page 2"
Target="_blank">
</asp:TreeNode>
</asp:TreeNode>
</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">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>TreeView ImageSet Example</title>
</head>
<body>
<form id="form1" runat="server">
<h3>TreeView ImageSet Example</h3>
<asp:TreeView id="LinksTreeView"
ImageSet="XPFileExplorer"
runat="server">
<Nodes>
<asp:TreeNode Value="Home"
NavigateUrl="Home.aspx"
Text="Home"
Target="_blank"
Expanded="True">
<asp:TreeNode Value="Page 1"
NavigateUrl="Page1.aspx"
Text="Page1"
Target="_blank">
<asp:TreeNode Value="Section 1"
NavigateUrl="Section1.aspx"
Text="Section 1"
Target="_blank"/>
</asp:TreeNode>
<asp:TreeNode Value="Page 2"
NavigateUrl="Page2.aspx"
Text="Page 2"
Target="_blank">
</asp:TreeNode>
</asp:TreeNode>
</Nodes>
</asp:TreeView>
</form>
</body>
</html>
The TreeViewImageSet
enumeration is used to represent the different sets of images that can be displayed in the TreeView control. You can select from a predefined set of images or create your own custom set by setting the TreeView.ImageSet property to the Custom
value. When defining a custom set of images, you should specify an image for each of the properties in the following table. Otherwise, the default image for that property is used.
Property | Description |
---|---|
CollapseImageUrl | The URL to a custom image for the collapsed node indicator. |
ExpandImageUrl | The URL to a custom image for the expanded node indicator. |
LineImagesFolder | The URL to a folder that contains custom images for lines-connecting nodes. |
NoExpandImageUrl | The URL to a custom image for the non-expanding node indicator. |
제품 | 버전 |
---|---|
.NET Framework | 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1 |
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