Menu.DynamicEnableDefaultPopOutImage Property
Important
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Gets or sets a value indicating whether the built-in image that indicates that a dynamic menu item has a submenu is displayed.
public:
property bool DynamicEnableDefaultPopOutImage { bool get(); void set(bool value); };
public bool DynamicEnableDefaultPopOutImage { get; set; }
member this.DynamicEnableDefaultPopOutImage : bool with get, set
Public Property DynamicEnableDefaultPopOutImage As Boolean
true
to display the built-in image for dynamic menu items with submenus; otherwise, false
. The default is true
.
The following code example demonstrates how to use the DynamicEnableDefaultPopOutImage property to hide the image that indicates that a dynamic menu item has a submenu. The DynamicPopOutImageUrl property must also be set to an empty string ("") for the image to be hidden.
<%@ 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>Menu DynamicEnableDefaultPopOutImage Example</title>
</head>
<body>
<form id="form1" runat="server">
<h3>Menu DynamicEnableDefaultPopOutImage Example</h3>
<asp:menu id="NavigationMenu"
dynamicenabledefaultpopoutimage="false"
staticdisplaylevels="1"
orientation="Vertical"
runat="server">
<items>
<asp:menuitem navigateurl="Home.aspx"
text="Home"
tooltip="Home">
<asp:menuitem navigateurl="Music.aspx"
text="Music"
tooltip="Music">
<asp:menuitem navigateurl="Classical.aspx"
text="Classical"
tooltip="Classical"/>
<asp:menuitem navigateurl="Rock.aspx"
text="Rock"
tooltip="Rock"/>
<asp:menuitem navigateurl="Jazz.aspx"
text="Jazz"
tooltip="Jazz"/>
</asp:menuitem>
<asp:menuitem navigateurl="Movies.aspx"
text="Movies"
tooltip="Movies">
<asp:menuitem navigateurl="Action.aspx"
text="Action"
tooltip="Action"/>
<asp:menuitem navigateurl="Drama.aspx"
text="Drama"
tooltip="Drama"/>
<asp:menuitem navigateurl="Musical.aspx"
text="Musical"
tooltip="Musical"/>
</asp:menuitem>
</asp:menuitem>
</items>
</asp:menu>
</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>Menu DynamicEnableDefaultPopOutImage Example</title>
</head>
<body>
<form id="form1" runat="server">
<h3>Menu DynamicEnableDefaultPopOutImage Example</h3>
<asp:menu id="NavigationMenu"
dynamicenabledefaultpopoutimage="false"
staticdisplaylevels="1"
orientation="Vertical"
runat="server">
<items>
<asp:menuitem navigateurl="Home.aspx"
text="Home"
tooltip="Home">
<asp:menuitem navigateurl="Music.aspx"
text="Music"
tooltip="Music">
<asp:menuitem navigateurl="Classical.aspx"
text="Classical"
tooltip="Classical"/>
<asp:menuitem navigateurl="Rock.aspx"
text="Rock"
tooltip="Rock"/>
<asp:menuitem navigateurl="Jazz.aspx"
text="Jazz"
tooltip="Jazz"/>
</asp:menuitem>
<asp:menuitem navigateurl="Movies.aspx"
text="Movies"
tooltip="Movies">
<asp:menuitem navigateurl="Action.aspx"
text="Action"
tooltip="Action"/>
<asp:menuitem navigateurl="Drama.aspx"
text="Drama"
tooltip="Drama"/>
<asp:menuitem navigateurl="Musical.aspx"
text="Musical"
tooltip="Musical"/>
</asp:menuitem>
</asp:menuitem>
</items>
</asp:menu>
</form>
</body>
</html>
When a dynamic menu item contains a submenu, an image can be displayed to indicate that the user can expand the menu by positioning the mouse pointer over the menu item. There are two ways to display this image:
Set the DynamicEnableDefaultPopOutImage property to
true
to use the built-in image (default).Set the DynamicPopOutImageUrl property to specify a custom image.
If the DynamicPopOutImageUrl property is set, that image overrides the built-in image.
Примечание
If the DynamicPopOutImageUrl property is not set and the DynamicEnableDefaultPopOutImage property is set to false
, no image is displayed.
You can specify alternate text for the image by setting the DynamicPopOutImageTextFormatString property. This text is displayed as a ToolTip when the user positions the mouse pointer over the image. This text also provides assistive technology devices with a description of the image that can be used to make the control more accessible.
Продукт | Версии |
---|---|
.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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