Control::DesignMode Property
.NET Framework (current version)
Gets a value indicating whether a control is being used on a design surface.
Assembly: System.Web (in System.Web.dll)
Property Value
Type: System::Booleantrue 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.
.NET Framework
Available since 2.0
Available since 2.0
Show: