Control.GetChildAtPoint Method (Point)
Retrieves the child control that is located at the specified coordinates.
Assembly: System.Windows.Forms (in System.Windows.Forms.dll)
If there is no child control at the specified point, the GetChildAtPoint method returns a null reference (Nothing in Visual Basic).
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.