IAdsNotificationsAddDeviceNotification(UInt32, UInt32, Int32, NotificationSettings, Object) Method
Connects a variable to the ADS client. The ADS client will be notified by the AdsNotification event.
Namespace: TwinCAT.Ads
Assembly: TwinCAT.Ads.Abstractions (in
TwinCAT.Ads.Abstractions.dll) Version:
7.0.0+e56d35ccc4675faac24789a4aab60071fc61d470
Syntax
C#
uint AddDeviceNotification(
uint indexGroup,
uint indexOffset,
int dataSize,
NotificationSettings settings,
Object? userData
)Parameters
|
indexGroup UInt32 |
Contains the index group number of the requested ADS service. |
|
indexOffset UInt32 |
Contains the index offset number of the requested ADS service. |
|
dataSize Int32 |
Maximum amount of data in bytes to receive with this ADS Notification |
|
settings NotificationSettings |
The Notification settings. |
|
userData Object |
This object can be used to store user specific data (tag data) |
Return Value
UInt32
The notification handle.
Remarks
The
dataSize
Parameter defines the amount of bytes, that will be attached to the AdsNotification as value. Because notifications allocate TwinCAT system resources, a complementary call to DeleteDeviceNotification(UInt32) should always called when the notification is not used anymore.
Reference
IAdsNotifications Interface AddDeviceNotification Overload TwinCAT.Ads Namespace DeleteDeviceNotification(UInt32) AdsNotification AdsNotificationError {0} Overload {0} Overload {0} Overload
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