.NET Framework 4.6 and 4.5
This API supports the .NET Framework infrastructure and is not intended to be used directly from your code.
Retrieves the HTML markup to represent a Web server control at design time that will have no visual representation at run time.
Assembly: System.Design (in System.Design.dll)
Return ValueType: System::String
The HTML markup used to represent a control at design time that would otherwise have no visual representation. The default is a rectangle that contains the type and ID of the component.