PasswordBox.PasswordChanging 事件

定义

命名空间:

Windows.UI.Xaml.Controls

当密码框中的文本开始更改，但在呈现之前同步发生。

// Register
event_token PasswordChanging(TypedEventHandler<PasswordBox, PasswordBoxPasswordChangingEventArgs const&> const& handler) const;

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

// Revoke with event_revoker
PasswordBox::PasswordChanging_revoker PasswordChanging(auto_revoke_t, TypedEventHandler<PasswordBox, PasswordBoxPasswordChangingEventArgs const&> const& handler) const;

public event TypedEventHandler<PasswordBox,PasswordBoxPasswordChangingEventArgs> PasswordChanging;

function onPasswordChanging(eventArgs) { /* Your code */ }
passwordBox.addEventListener("passwordchanging", onPasswordChanging);
passwordBox.removeEventListener("passwordchanging", onPasswordChanging);
- or -
passwordBox.onpasswordchanging = onPasswordChanging;

Public Custom Event PasswordChanging As TypedEventHandler(Of PasswordBox, PasswordBoxPasswordChangingEventArgs) 

<PasswordBox PasswordChanging="eventhandler"/>

事件类型

TypedEventHandler<PasswordBox,PasswordBoxPasswordChangingEventArgs>

Windows 要求

设备系列	Windows 10 Fall Creators Update (在 10.0.16299.0 中引入)
API contract	Windows.Foundation.UniversalApiContract (在 v5.0 中引入)

另请参阅

• TextChanging