Puts user input focus on the current element.
Setting the focus on an element both gives that element focus and makes it the active element; for example, the element that has focus will be returned by the
property of ActiveElement . HtmlDocument
Any key strokes entered by a user after
has been called will be sent to that element. Focus .NET Framework
Supported in: 4, 3.5, 3.0, 2.0
.NET Framework Client Profile
Supported in: 4, 3.5 SP1
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.