Control.DesignMode Property (System.Web.UI)

.NET Framework Class Library

Control..::.DesignMode Property

Gets a value indicating whether a control is being used on a design surface.

Namespace: System.Web.UI
Assembly: System.Web (in System.Web.dll)

Protected Friend ReadOnly Property DesignMode As Boolean
	Get

protected internal bool DesignMode { get; }

protected public:
property bool DesignMode {
	bool get ();
}

member DesignMode : bool

Property Value

Type: System..::.Boolean
true if the control is being used in a designer; otherwise, false.

Remarks

The DesignMode property returns true to indicate that the control is being used in the context of a designer. Your custom controls can use this property when design-time behavior is different than run-time behavior.

Version Information

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0

Platforms

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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

Reference

Control Class

System.Web.UI Namespace

Other Resources

ASP.NET Control Designers Overview

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