Control.DesignMode Property

Definition

Namespace:

System.Web.UI

Assembly:

System.Web.dll

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

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

protected internal bool DesignMode { get; }

member this.DesignMode : bool

Protected Friend ReadOnly Property DesignMode As Boolean

Property Value

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.

See also

• ASP.NET Control Designers Overview