發行項
11/17/2011

DesignTimeVisibleAttribute Class

Microsoft Silverlight will reach end of support after October 2021. Learn more.

DesignTimeVisibleAttribute marks a control's visibility. If Yes is present, a visual designer can show this control on a designer.

Inheritance Hierarchy

System.Object
System.Attribute
System.ComponentModel.DesignTimeVisibleAttribute

Namespace: System.ComponentModel
Assembly: System (in System.dll)

Syntax

'Declaration
<AttributeUsageAttribute(AttributeTargets.Class Or AttributeTargets.Interface)> _
Public NotInheritable Class DesignTimeVisibleAttribute _
    Inherits Attribute

[AttributeUsageAttribute(AttributeTargets.Class|AttributeTargets.Interface)]
public sealed class DesignTimeVisibleAttribute : Attribute

The DesignTimeVisibleAttribute type exposes the following members.

Constructors

	Name	Description
	DesignTimeVisibleAttribute()	Creates a new DesignTimeVisibleAttribute set to the default value of false.
	DesignTimeVisibleAttribute(Boolean)	Creates a new DesignTimeVisibleAttribute with the Visible property set to the given value in visible.

Top

Properties

	Name	Description
	Visible	Gets or sets whether the control should be shown at design time.

Top

Methods

	Name	Description
	Equals	Returns a value that indicates whether this instance is equal to a specified object. (Overrides Attribute.Equals(Object).)
	Finalize	Allows an object to try to free resources and perform other cleanup operations before the Object is reclaimed by garbage collection. (Inherited from Object.)
	GetHashCode	Returns the hash code for this instance. (Overrides Attribute.GetHashCode().)
	GetType	Gets the Type of the current instance. (Inherited from Object.)
	Match	When overridden in a derived class, returns a value that indicates whether this instance equals a specified object. (Inherited from Attribute.)
	MemberwiseClone	Creates a shallow copy of the current Object. (Inherited from Object.)
	ToString	Returns a string that represents the current object. (Inherited from Object.)

Top

Fields

	Name	Description
	Default	The default visibility which is Yes.
	No	Marks a control as not visible in a visual designer.
	Yes	Marks a control as visible in a visual designer.

Top

Remarks

The DesignTimeVisibleAttribute is a hint to the Designer. The Designer will ignore this attribute for controls that have a UI presence. It can only be applied to classes.

The DesignTimeVisibleAttribute is most useful when you have a control that accepts child controls.

Version Information

Silverlight

Supported in: 5, 4

Platforms

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.

Thread Safety

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

共用方式為