XamlUICommand.CanExecuteRequested Event

Definition

Namespace:

Windows.UI.Xaml.Input

Occurs when a CanExecute call is made.

// 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) 

Event Type

TypedEventHandler<XamlUICommand,CanExecuteRequestedEventArgs>

See also

• XamlUICommand
• CanExecuteRequestedEventArgs
• StandardUICommand
• Command design basics
• Commanding in Universal Windows Platform apps using StandardUICommand, XamlUICommand, and ICommand