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ICommand.CanExecute Method

Defines the method that determines whether the command can execute in its current state.

Namespace: System.Windows.Input
Assembly: PresentationCore (in presentationcore.dll)

bool CanExecute (
	Object parameter
)
boolean CanExecute (
	Object parameter
)
function CanExecute (
	parameter : Object
) : boolean
You cannot use methods in XAML.

Parameters

parameter

Data used by the command. If the command does not require data to be passed, this object can be set to a null reference (Nothing in Visual Basic).

Return Value

true if this command can be executed; otherwise, false.

Typically, a command source will call CanExecute when the CanExecuteChanged event is raised.

Windows 98, Windows Server 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0

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