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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; }
property bool IsDefault {
	bool get();
	void set(bool value);
member IsDefault : bool with get, set
Public Property IsDefault As Boolean

Property Value


true if the Button is the default button; otherwise, false. The default is false.

When you set the 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.

Identifier field


Metadata properties set to true


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

<Button Name="btnDefault" IsDefault="true" Click="OnClickDefault">OK</Button>
.NET Framework
Available since 3.0
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