GattCharacteristic.ValueChanged 事件

定義

命名空間:

Windows.Devices.Bluetooth.GenericAttributeProfile

應用程式可以在設定用戶端特性設定描述元之後，註冊事件處理常式，以便在從裝置收到通知或指示時接收事件。

// Register
event_token ValueChanged(TypedEventHandler<GattCharacteristic, GattValueChangedEventArgs const&> const& handler) const;

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

// Revoke with event_revoker
GattCharacteristic::ValueChanged_revoker ValueChanged(auto_revoke_t, TypedEventHandler<GattCharacteristic, GattValueChangedEventArgs const&> const& handler) const;

public event TypedEventHandler<GattCharacteristic,GattValueChangedEventArgs> ValueChanged;

function onValueChanged(eventArgs) { /* Your code */ }
gattCharacteristic.addEventListener("valuechanged", onValueChanged);
gattCharacteristic.removeEventListener("valuechanged", onValueChanged);
- or -
gattCharacteristic.onvaluechanged = onValueChanged;

Public Custom Event ValueChanged As TypedEventHandler(Of GattCharacteristic, GattValueChangedEventArgs) 

事件類型

TypedEventHandler<GattCharacteristic,GattValueChangedEventArgs>

Windows 需求

應用程式功能

bluetooth

備註

GattValueChangedEventArgs物件代表 ValueChanged 事件處理常式收到的引數，用來處理藍牙 LE 裝置所傳送的特性值變更通知和指示事件。

另請參閱

• GattValueChangedEventArgs