Dela via


MediaSource.StateChanged Event

Definition

Occurs when the current state of the MediaSource changes.

// Register
event_token StateChanged(TypedEventHandler<MediaSource, MediaSourceStateChangedEventArgs const&> const& handler) const;

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

// Revoke with event_revoker
MediaSource::StateChanged_revoker StateChanged(auto_revoke_t, TypedEventHandler<MediaSource, MediaSourceStateChangedEventArgs const&> const& handler) const;
public event TypedEventHandler<MediaSource,MediaSourceStateChangedEventArgs> StateChanged;
function onStateChanged(eventArgs) { /* Your code */ }
mediaSource.addEventListener("statechanged", onStateChanged);
mediaSource.removeEventListener("statechanged", onStateChanged);
- or -
mediaSource.onstatechanged = onStateChanged;
Public Custom Event StateChanged As TypedEventHandler(Of MediaSource, MediaSourceStateChangedEventArgs) 

Event Type

Windows requirements

Device family
Windows 10 (introduced in 10.0.10586.0)
API contract
Windows.Foundation.UniversalApiContract (introduced in v2.0)

Applies to