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ICommand.CanExecuteChanged Event
Definition
- Namespace:
- System.Windows.Input
- Assemblies:
- System.dll, System.ObjectModel.dll
- Assemblies:
- netstandard.dll, System.ObjectModel.dll
- Assembly:
- System.ObjectModel.dll
- Assembly:
- PresentationCore.dll
- Assemblies:
- PresentationCore.dll, System.dll
- Assembly:
- netstandard.dll
- Source:
- ICommand.cs
- Source:
- ICommand.cs
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Occurs when changes take place that affect whether or not the command should execute.
public:
event EventHandler ^ CanExecuteChanged;event EventHandler CanExecuteChanged;event EventHandler? CanExecuteChanged;member this.CanExecuteChanged : EventHandler Event CanExecuteChanged As EventHandler Event Type
Remarks
Normally, a command source calls CanExecute on the command when this event occurs. If the command cannot execute, the command source disables itself.
Applies to
See also
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