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Button.IsDefault Property

Gets or sets a value that indicates whether a Button is the default button. A user invokes the default button by pressing the ENTER key.

Namespace:  System.Windows.Controls
Assembly:  PresentationFramework (in PresentationFramework.dll)

public bool IsDefault { get; set; }
<object IsDefault="bool" .../>

Property Value

Type: System.Boolean
true if the Button is the default button; otherwise, false. The default is false.

Identifier field


Metadata properties set to true


When you set the IsDefault property of a button to true, you register the button with the AccessKeyManager so that a user can invoke the button by pressing the ENTER key.

The following example shows how to specify a button as the default button.

<Button Name="btnDefault" IsDefault="true" Click="OnClickDefault">OK</Button>

.NET Framework

Supported in: 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, 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.

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