ICommand.CanExecute Method
.NET Framework 3.5
Defines the method that determines whether the command can execute in its current state.
Assembly: PresentationCore (in PresentationCore.dll)
'Declaration Function CanExecute ( _ parameter As Object _ ) As Boolean 'Usage Dim instance As ICommand Dim parameter As Object Dim returnValue As Boolean returnValue = instance.CanExecute(parameter)
You cannot use methods in XAML.
Parameters
- parameter
- Type: System.Object
Data used by the command. If the command does not require data to be passed, this object can be set to Nothing.
Typically, a command source calls the CanExecute method when the CanExecuteChanged event is raised.
Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003
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.