XamlUICommand.CanExecuteRequested 事件

  • 参考

定义

命名空间:
Microsoft.UI.Xaml.Input
编辑

在进行 CanExecute 调用时发生。

// 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)

事件类型

TypedEventHandler<XamlUICommand,CanExecuteRequestedEventArgs>

适用于

另请参阅