HardwareButtons.CameraHalfPressed 事件

定义

命名空间:

Windows.Phone.UI.Input

当用户半中按硬件相机按钮时发生。

// Register
static event_token CameraHalfPressed(EventHandler<CameraEventArgs> const& handler) const;

// Revoke with event_token
static void CameraHalfPressed(event_token const* cookie) const;

// Revoke with event_revoker
static HardwareButtons::CameraHalfPressed_revoker CameraHalfPressed(auto_revoke_t, EventHandler<CameraEventArgs> const& handler) const;

public static event System.EventHandler<CameraEventArgs> CameraHalfPressed;

function onCameraHalfPressed(eventArgs) { /* Your code */ }
Windows.Phone.UI.Input.HardwareButtons.addEventListener("camerahalfpressed", onCameraHalfPressed);
Windows.Phone.UI.Input.HardwareButtons.removeEventListener("camerahalfpressed", onCameraHalfPressed);
- or -
Windows.Phone.UI.Input.HardwareButtons.oncamerahalfpressed = onCameraHalfPressed;

Public Shared Custom Event CameraHalfPressed As EventHandler(Of CameraEventArgs) 

事件类型

EventHandler<CameraEventArgs>

EventHandler<CameraEventArgs>