Gets a value indicating whether a control is being used on a design surface.
(in System.Web.dll)
Visual Basic (Declaration)
Protected Friend ReadOnly Property DesignMode As Boolean
Dim value As Boolean
value = Me.DesignMode
protected internal bool DesignMode { get; }
protected public:
property bool DesignMode {
bool get ();
}
protected internal function get DesignMode () : boolean
Property Value
Type:
System..::.Boolean
true if the control is being used in a designer; otherwise, false.
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.
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.
.NET Framework
Supported in: 3.5, 3.0, 2.0
Reference
Other Resources