OPC Studio User's Guide and Reference
ReadItem Property (EasyDAClientTimeouts)



OpcLabs.EasyOpcClassicCore Assembly > OpcLabs.EasyOpc.DataAccess.Engine Namespace > EasyDAClientTimeouts Class : ReadItem Property
Read item timeout. Number of milliseconds. For ReadItem, ReadItemValue, ReadMultipleItems and ReadMultipleItemValues methods of the EasyDAClient object, this value determines the maximum amount of time these methods wait for the signal that the read operation was completed (either with success or failure). For ReadItemValue and ReadMultipleItemValues methods, the received data must also be marked with Good OPC quality.
Syntax
'Declaration
 
<DataMemberAttribute()>
<ValueRangeAttribute(0, 2147483647)>
Public Property ReadItem As Integer
'Usage
 
Dim instance As EasyDAClientTimeouts
Dim value As Integer
 
instance.ReadItem = value
 
value = instance.ReadItem
[DataMember()]
[ValueRange(0, 2147483647)]
public int ReadItem {get; set;}
[DataMember()]
[ValueRange(0, 2147483647)]
public:
property int ReadItem {
   int get();
   void set (    int value);
}

Property Value

Valid values of this property are in the range from 0 to 2147483647 (Int32.MaxValue).

The default value of this property is 90000.

Exceptions
ExceptionDescription

The value of an argument is outside the allowable range of values as defined by the invoked method.

This is a usage error, i.e. it will never occur (the exception will not be thrown) in a correctly written program. Your code should not catch this exception.

Remarks

This property is used by following client implementations:

Requirements

Target Platforms: .NET Framework: Windows 10 (selected versions), Windows 11 (selected versions), Windows Server 2016, Windows Server 2022; .NET: Linux, macOS, Microsoft Windows

See Also