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AppBroadcastBackgroundService.BroadcastChannelChanged 事件

定義

BroadcastChannel 屬性的值變更時發生。

// Register
event_token BroadcastChannelChanged(TypedEventHandler<AppBroadcastBackgroundService, IInspectable const&> const& handler) const;

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

// Revoke with event_revoker
AppBroadcastBackgroundService::BroadcastChannelChanged_revoker BroadcastChannelChanged(auto_revoke_t, TypedEventHandler<AppBroadcastBackgroundService, IInspectable const&> const& handler) const;
public event TypedEventHandler<AppBroadcastBackgroundService,object> BroadcastChannelChanged;
function onBroadcastChannelChanged(eventArgs) { /* Your code */ }
appBroadcastBackgroundService.addEventListener("broadcastchannelchanged", onBroadcastChannelChanged);
appBroadcastBackgroundService.removeEventListener("broadcastchannelchanged", onBroadcastChannelChanged);
- or -
appBroadcastBackgroundService.onbroadcastchannelchanged = onBroadcastChannelChanged;
Public Custom Event BroadcastChannelChanged As TypedEventHandler(Of AppBroadcastBackgroundService, Object) 

事件類型

Windows 需求

裝置系列
Windows Desktop Extension SDK (已於 10.0.16299.0 引進)
API contract
Windows.Media.Capture.AppBroadcastContract (已於 v2.0 引進)

適用於