Determines whether the specified panel is located within the collection.
Assembly: System.Windows.Forms (in System.Windows.Forms.dll)
The method enables you to determine whether a panel is a member of the collection. Once you know that the item is located within the collection, you can use the IndexOf method to determine where the panel is located within the collection.
Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.