AppBroadcastState.ViewerCountChanged 事件

定义

命名空间:

Windows.Media.Capture

当应用广播的查看器计数发生更改时发生。

// Register
event_token ViewerCountChanged(TypedEventHandler<AppBroadcastState, AppBroadcastViewerCountChangedEventArgs const&> const& handler) const;

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

// Revoke with event_revoker
AppBroadcastState::ViewerCountChanged_revoker ViewerCountChanged(auto_revoke_t, TypedEventHandler<AppBroadcastState, AppBroadcastViewerCountChangedEventArgs const&> const& handler) const;

public event TypedEventHandler<AppBroadcastState,AppBroadcastViewerCountChangedEventArgs> ViewerCountChanged;

function onViewerCountChanged(eventArgs) { /* Your code */ }
appBroadcastState.addEventListener("viewercountchanged", onViewerCountChanged);
appBroadcastState.removeEventListener("viewercountchanged", onViewerCountChanged);
- or -
appBroadcastState.onviewercountchanged = onViewerCountChanged;

Public Custom Event ViewerCountChanged As TypedEventHandler(Of AppBroadcastState, AppBroadcastViewerCountChangedEventArgs) 

事件类型

TypedEventHandler<AppBroadcastState,AppBroadcastViewerCountChangedEventArgs>

Windows 要求

应用功能	appBroadcast appBroadcastSettings