Control.UpdateZOrder Method
.NET Framework 4.5
Updates the control in its parent's z-order.
Assembly: System.Windows.Forms (in System.Windows.Forms.dll)
The UpdateZOrder method updates the position of the control in its parent control's z-order. For example, if this control is a newly created control that was added to a Control.ControlCollection, the z-order is updated with the new control added to the back.
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.