IAdsNotificationsTryAddDeviceNotification(String, Int32, NotificationSettings, Object, UInt32) 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#
AdsErrorCode TryAddDeviceNotification(
string symbolPath,
int dataSize,
NotificationSettings settings,
Object? userData,
out uint handle
)Parameters
|
symbolPath String |
The symbol/instance path of the ADS variable. |
|
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. |
|
handle 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 TryDeleteDeviceNotification(UInt32) should always be called when the notification is not used anymore.
Reference
IAdsNotifications Interface TryAddDeviceNotification Overload TwinCAT.Ads Namespace AdsNotification TryDeleteDeviceNotification(UInt32) {0} Overload {0} Overload {0} Overload
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