Control.DesignMode Property (System.Web.UI)

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.NET Framework Class Library

ControlDesignMode 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

Protected Friend ReadOnly Property DesignMode As [%$TOPIC/e67xet17_en-us_VS_110_1_0_0_0_0%]

protected internal [%$TOPIC/e67xet17_en-us_VS_110_1_0_1_0_0%] DesignMode { get; }

protected public:
property [%$TOPIC/e67xet17_en-us_VS_110_1_0_2_0_0%] DesignMode {
	[%$TOPIC/e67xet17_en-us_VS_110_1_0_2_0_1%] get ();
}

member DesignMode : [%$TOPIC/e67xet17_en-us_VS_110_1_0_3_0_0%] with get

Property Value

Type: SystemBoolean
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: 4.5, 4, 3.5, 3.0, 2.0

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

Control Class

System.Web.UI Namespace

Other Resources

ASP.NET Control Designers Overview