Gets or sets a value indicating whether the button control is the default button.
Assembly: System.Windows.Forms (in System.Windows.Forms.dll)
When the property is set to true, the button is the default button for the Form. This means that the button is clicked when the ENTER key is pressed if no other button or any other control that captures the ENTER key has focus.
To specify the default button of a form, set the AcceptButton property of the form to the desired 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.