AdsConnectionAddDeviceNotification(String, 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 (in TwinCAT.Ads.dll)
Version: 7.0.0+e56d35ccc4675faac24789a4aab60071fc61d470
Syntax
C#
public uint AddDeviceNotification(
string variableName,
int dataSize,
NotificationSettings settings,
Object? userData
)Parameters
|
variableName String |
Name of the variable. |
|
dataSize Int32 |
Maximum amount of data in bytes to receive with this ADS Notification. |
|
settings NotificationSettings |
The 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
AdsConnection Class AddDeviceNotification Overload TwinCAT.Ads Namespace AdsNotification DeleteDeviceNotification(UInt32) {0} Overload {0} Overload {0} Overload
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