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Defines the method that determines whether the command can execute in its current state.
- Type: System.Object
Data used by the command. If the command does not require data to be passed, this object can be set to null.
Type: System.Booleantrue if this command can be executed; otherwise, false.
Typically, a command source calls the CanExecute method when the CanExecuteChanged event is raised.
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.