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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.
Supported in: 5, 4, 3
Silverlight for Windows Phone
Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0