FrameworkElement.Loading 事件

定义

FrameworkElement 开始加载时发生。

// Register
event_token Loading(TypedEventHandler<FrameworkElement, IInspectable const&> const& handler) const;

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

// Revoke with event_revoker
FrameworkElement::Loading_revoker Loading(auto_revoke_t, TypedEventHandler<FrameworkElement, IInspectable const&> const& handler) const;
public event TypedEventHandler<FrameworkElement,object> Loading;
function onLoading(eventArgs) { /* Your code */ }
frameworkElement.addEventListener("loading", onLoading);
frameworkElement.removeEventListener("loading", onLoading);
- or -
frameworkElement.onloading = onLoading;
Public Custom Event Loading As TypedEventHandler(Of FrameworkElement, Object) 
<frameworkElement Loading="eventhandler"/>
 

事件类型

适用于