MseSourceBuffer.UpdateStarting 事件
定義
重要
部分資訊涉及發行前產品,在發行之前可能會有大幅修改。 Microsoft 對此處提供的資訊,不做任何明確或隱含的瑕疵擔保。
發生于 MseSourceBuffer 更新啟動時。
// Register
event_token UpdateStarting(TypedEventHandler<MseSourceBuffer, IInspectable const&> const& handler) const;
// Revoke with event_token
void UpdateStarting(event_token const* cookie) const;
// Revoke with event_revoker
MseSourceBuffer::UpdateStarting_revoker UpdateStarting(auto_revoke_t, TypedEventHandler<MseSourceBuffer, IInspectable const&> const& handler) const;
public event TypedEventHandler<MseSourceBuffer,object> UpdateStarting;
function onUpdateStarting(eventArgs) { /* Your code */ }
mseSourceBuffer.addEventListener("updatestarting", onUpdateStarting);
mseSourceBuffer.removeEventListener("updatestarting", onUpdateStarting);
- or -
mseSourceBuffer.onupdatestarting = onUpdateStarting;
Public Custom Event UpdateStarting As TypedEventHandler(Of MseSourceBuffer, Object)
事件類型
TypedEventHandler<MseSourceBuffer,IInspectable>