Form.UpdateDefaultButton Method
Updates which button is the default button.
Namespace: System.Windows.Forms
Assembly: System.Windows.Forms (in System.Windows.Forms.dll)
The UpdateDefaultButton method determines which button on the form raises its Click event when the user presses ENTER, according to the following priority:
If the ActiveControl property implements the IButtonControl interface, that control is the default button.
The AcceptButton property is the default button.
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.
