TcAdsClient.AddDeviceNotification Method (String, AdsStream, Int32, Int32, AdsTransMode, Int32, Int32, Object)
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: 4.3.0.0
Syntax
C#
public int AddDeviceNotification(
string variableName,
AdsStream dataStream,
int offset,
int length,
AdsTransMode transMode,
int cycleTime,
int maxDelay,
Object userData
)
VB
Public Function AddDeviceNotification (
variableName As String,
dataStream As AdsStream,
offset As Integer,
length As Integer,
transMode As AdsTransMode,
cycleTime As Integer,
maxDelay As Integer,
userData As Object
) As Integer
Parameters
variableName |
Type: System.String |
dataStream |
Type: TwinCAT.Ads.AdsStream |
offset |
Type: System.Int32 |
length |
Type: System.Int32 |
transMode |
Type: TwinCAT.Ads.AdsTransMode |
cycleTime |
Type: System.Int32 |
maxDelay |
Type: System.Int32 |
userData |
Type: System.Object |
Return Value
Type: Int32
The handle of the notification.
Implements
Exceptions
Exception |
Condition |
---|---|
Thrown when the ADS call fails. |
Remarks
Parameter semantic | |
---|---|
Value of parameter is interpreted as task context number ContextMask | |
Value of parameter is interpreted as task context number ContextMask |