ICommand.CanExecute(Object) Method

Reference

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

Important

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Determines whether the command can execute in its current state.

public:
 bool CanExecute(System::Object ^ parameter);

public bool CanExecute(object parameter);

public bool CanExecute(object? parameter);

abstract member CanExecute : obj -> bool

Public Function CanExecute (parameter As Object) As Boolean

Parameters

parameter: Object

Data used by the command. If the command does not require data to be passed, this object can be set to null.

Returns

Boolean

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

Remarks

Typically, a command source calls the CanExecute method when the CanExecuteChanged event is raised.

Applies to

Product	Versions
.NET	Core 1.0, Core 1.1, Core 2.0, Core 2.1, Core 2.2, Core 3.0, Core 3.1, 5, 6, 7, 8, 9, 10
.NET Framework	3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1
.NET Standard	1.0, 1.1, 1.2, 1.3, 1.4, 1.6, 2.0, 2.1
UWP	10.0

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