Removes focus from the current element, if that element has focus.
Assembly: System.Windows.Forms (in System.Windows.Forms.dll)
Calling this method raises the LostFocus event for the element.
When focus is cleared from an element using this method, it is given to the document containing the element, not to the next element in the tab order.
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.