Takes focus off of the current window.
public void RemoveFocus()
When called on a FRAME window in a FRAMESET, RemoveFocus will cause that window to lose focus, but it will not automatically set focus on another window.
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.