Create a subscription for one item.
The item is added to the refresh group and the internal callback handler will write
new values to the specified control.
The value is formatted according the format definition object.
Syntax
Parameters
- itemID
- Fully qualified item ID
- updControl
- Windows control object or callback handler
- fmt
- Object with format information
Return Value
Subscription object or null on error
Requirements
Target Platforms: Windows 7/8/10, Windows Server 2003/2008/2012/2016, .NET 4.x
See Also