PerceptionColorFrameSourceWatcher.SourceAdded 事件

定义

命名空间:

Windows.Devices.Perception

订阅 SourceAdded 事件。

/// [add: Windows.Foundation.Metadata.Deprecated("PerceptionColorFrameSourceWatcher may be unavailable after Windows Creator Update.  Use Windows.Devices.Enumeration.DeviceWatcher instead.", Windows.Foundation.Metadata.DeprecationType.Deprecate, 262144, "Windows.Foundation.UniversalApiContract")]
/// [remove: Windows.Foundation.Metadata.Deprecated("PerceptionColorFrameSourceWatcher may be unavailable after Windows Creator Update.  Use Windows.Devices.Enumeration.DeviceWatcher instead.", Windows.Foundation.Metadata.DeprecationType.Deprecate, 262144, "Windows.Foundation.UniversalApiContract")]
// Register
event_token SourceAdded(TypedEventHandler<PerceptionColorFrameSourceWatcher, PerceptionColorFrameSourceAddedEventArgs const&> const& handler) const;

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

// Revoke with event_revoker
PerceptionColorFrameSourceWatcher::SourceAdded_revoker SourceAdded(auto_revoke_t, TypedEventHandler<PerceptionColorFrameSourceWatcher, PerceptionColorFrameSourceAddedEventArgs const&> const& handler) const;

[add: Windows.Foundation.Metadata.Deprecated("PerceptionColorFrameSourceWatcher may be unavailable after Windows Creator Update.  Use Windows.Devices.Enumeration.DeviceWatcher instead.", Windows.Foundation.Metadata.DeprecationType.Deprecate, 262144, "Windows.Foundation.UniversalApiContract")]
[remove: Windows.Foundation.Metadata.Deprecated("PerceptionColorFrameSourceWatcher may be unavailable after Windows Creator Update.  Use Windows.Devices.Enumeration.DeviceWatcher instead.", Windows.Foundation.Metadata.DeprecationType.Deprecate, 262144, "Windows.Foundation.UniversalApiContract")]
public event TypedEventHandler<PerceptionColorFrameSourceWatcher,PerceptionColorFrameSourceAddedEventArgs> SourceAdded;

function onSourceAdded(eventArgs) { /* Your code */ }
perceptionColorFrameSourceWatcher.addEventListener("sourceadded", onSourceAdded);
perceptionColorFrameSourceWatcher.removeEventListener("sourceadded", onSourceAdded);
- or -
perceptionColorFrameSourceWatcher.onsourceadded = onSourceAdded;

Public Custom Event SourceAdded As TypedEventHandler(Of PerceptionColorFrameSourceWatcher, PerceptionColorFrameSourceAddedEventArgs) 

事件类型

TypedEventHandler<PerceptionColorFrameSourceWatcher,PerceptionColorFrameSourceAddedEventArgs>

属性

DeprecatedAttribute

注解

调用 Start 方法时，系统会为系统已知的每个颜色帧源触发此事件，然后触发 EnumerationCompleted 事件。 随后添加的新颜色帧源将触发其他 SourceAdded 事件。