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DesignerProperties.IsInDesignMode Attached Property

.NET Framework 4.5

Gets or sets whether a DependencyObject is running in the context of a designer.

Namespace: System.ComponentModel
Assembly: PresentationFramework (in PresentationFramework.dll)
XMLNS for XAML: Not mapped to an xmlns.

Syntax

C++

See GetIsInDesignMode, SetIsInDesignMode

XAML Attribute Usage

<object DesignerProperties.IsInDesignMode="bool" .../>

Property Value

Type: System.Boolean
A Boolean that indicates whether a DependencyObject is running in the context of a designer.

Dependency Property Information

Identifier field	IsInDesignModeProperty
Metadata properties set to true	OverridesInheritanceBehavior, Inherits

Remarks

Component and control developers may use this property to perform different logic when running in the context of a designer than they would when running in an application.

Designers may change the value of this property to move a control from design mode to run mode and back. Components that make changes to their state based on the value of this property should override the virtual OnPropertyChanged method and update their state if their IsInDesignMode property value changes.

Version Information

.NET Framework

Supported in: 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Platforms

Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

Reference

DesignerProperties Class

System.ComponentModel Namespace

Other Resources

Attached Properties Overview

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