IAdsNotificationsTryAddDeviceNotificationEx(String, NotificationSettings, Object, Type, Int32, UInt32) Method
Connects a variable to the ADS client. The ADS client will be notified by the AdsNotificationEx event.
Namespace: TwinCAT.Ads
Assembly: TwinCAT.Ads.Abstractions (in
TwinCAT.Ads.Abstractions.dll) Version:
7.0.0+e56d35ccc4675faac24789a4aab60071fc61d470
Syntax
C#
AdsErrorCode TryAddDeviceNotificationEx(
string symbolPath,
NotificationSettings settings,
Object? userData,
Type type,
int[]? args,
out uint handle
)Parameters
|
symbolPath String |
Symbol/Instance path of the ADS variable. |
|
settings NotificationSettings |
The Notification settings. |
|
userData Object |
This object can be used to store user specific data (tag data) |
|
type Type |
Type of the object stored in the event argument ('AnyType') |
|
args Int32 |
Additional arguments (for 'AnyType') |
|
handle UInt32 |
The notification handle |
Remarks
Because notifications allocate TwinCAT system resources, a complementary call to TryDeleteDeviceNotification(UInt32) should always called when the notification is not used anymore.
Reference
IAdsNotifications Interface TryAddDeviceNotificationEx Overload TwinCAT.Ads Namespace AdsNotificationEx DeleteDeviceNotification(UInt32) {0} Overload {0} Overload {0} Overload
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