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Form.UpdateDefaultButton Method

Updates which button is the default button.

Namespace:  System.Windows.Forms
Assembly:  System.Windows.Forms (in System.Windows.Forms.dll)

protected override void UpdateDefaultButton()

The UpdateDefaultButton method determines which button on the form raises its Click event when the user presses ENTER, according to the following priority:

  1. If the ActiveControl property implements the IButtonControl interface, that control is the default button.

  2. The AcceptButton property is the default button.

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5, 3.0, 2.0, 1.1, 1.0
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