XamlUICommand.CanExecuteRequested Событие

Определение

Пространство имен:

Microsoft.UI.Xaml.Input

Происходит при вызове CanExecute .

// Register
event_token CanExecuteRequested(TypedEventHandler<XamlUICommand, CanExecuteRequestedEventArgs const&> const& handler) const;

// Revoke with event_token
void CanExecuteRequested(event_token const* cookie) const;

// Revoke with event_revoker
XamlUICommand::CanExecuteRequested_revoker CanExecuteRequested(auto_revoke_t, TypedEventHandler<XamlUICommand, CanExecuteRequestedEventArgs const&> const& handler) const;

public event TypedEventHandler<XamlUICommand,CanExecuteRequestedEventArgs> CanExecuteRequested;

function onCanExecuteRequested(eventArgs) { /* Your code */ }
xamlUICommand.addEventListener("canexecuterequested", onCanExecuteRequested);
xamlUICommand.removeEventListener("canexecuterequested", onCanExecuteRequested);
- or -
xamlUICommand.oncanexecuterequested = onCanExecuteRequested;

Public Custom Event CanExecuteRequested As TypedEventHandler(Of XamlUICommand, CanExecuteRequestedEventArgs) 

Тип события

TypedEventHandler<XamlUICommand,CanExecuteRequestedEventArgs>

См. также раздел

• XamlUICommand
• CanExecuteRequestedEventArgs
• StandardUICommand
• Основные сведения о командах
• Использование команд в приложениях Windows с помощью классов StandardUICommand, XamlUICommand и ICommand