Gets a value indicating whether the control, or one of its child controls, currently has the input focus.
Assembly: System.Windows.Forms (in System.Windows.Forms.dll)
You can use this property to determine whether a control or any of the controls contained within it has the input focus. To determine whether the control has focus, regardless of whether any of its child controls have focus, use the Focused property. To give a control the input focus, use the Focus or Select methods.
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.