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MseSourceBuffer.UpdateStarting 事件

定義

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

適用於