marks a component's visibility. If Yes is present, a visual designer can show this component on a designer.
Assembly: System (in System.dll)
The is a hint to the Designer. The Designer will ignore this attribute for components that have a UI presence. It can only be applied to classes.
The is most useful when you have a control that accepts child components. For example, the System.Windows.Forms.TreeView control's node items should not appear in the component tray because they are drawn by the System.Windows.Forms.TreeView control.
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, Windows CE, Windows Mobile for Smartphone, Windows Mobile for Pocket PC, Xbox 360, Zune
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.