AdsConnection.TryReadState Method (Int32, StateInfo.)
Reads the ADS status and the device status from an ADS server. Unlike the ReadState method this method does not call an exception on failure. Instead an AdsErrorCode is returned. If the return value is equal to AdsErrorCode.NoError the call was successfull.
Namespace: TwinCAT.Ads
Assembly: TwinCAT.Ads (in TwinCAT.Ads.dll)
Version: 4.3.0.0
Syntax
C#
public AdsErrorCode TryReadState(
int timeout,
out StateInfo stateInfo
)
VB
Public Function TryReadState (
timeout As Integer,
<OutAttribute> ByRef stateInfo As StateInfo
) As AdsErrorCode
Parameters
|
timeout |
Type: System.Int32 |
|
stateInfo |
Type: TwinCAT.Ads.StateInfo. |
Return Value
Type: AdsErrorCode
AdsErrorCode of the ads read state call. Check for
AdsErrorCode.NoError to see if call was successfull.
Exceptions
|
Exception |
Condition |
|---|---|