Control.DesignMode Property (System.Web.UI)

DesignMode Property

.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)

Syntax

Visual Basic (Declaration)

Protected Friend ReadOnly Property DesignMode As Boolean

Visual Basic (Usage)

Dim value As Boolean

value = Me.DesignMode

protected internal bool DesignMode { get; }

Visual C++

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

JScript

protected internal function get DesignMode () : boolean

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.

Platforms

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98

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

Version Information

.NET Framework

Supported in: 3.5, 3.0, 2.0

Reference

Control Class

Control Members

System.Web.UI Namespace

Other Resources

ASP.NET Control Designers Overview