Returns the index within the collection of the specified panel.
Assembly: System.Windows.Forms (in System.Windows.Forms.dll)
The method enables you to determine where a panel is located within the collection. To determine whether an item is located within the collection before calling this method, use the Contains method.
Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.