Gets the child control affected by the change.
Assembly: System.Windows.Forms (in System.Windows.Forms.dll)
The property is set to a null reference (Nothing in Visual Basic) if no value was provided when the PerformLayout method was called.
The following code example uses the AffectedProperty and properties as LayoutEventHandler arguments to coordinate the size of a Windows form and its controls with various property changes to both the Windows form and the controls.
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.