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 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.