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ABL Reference
Handle Attributes and Methods Reference : Tag property (ActiveX control)
 

Tag property (ActiveX control)

(Windows only; Graphical interfaces only)
A variable that lets the developer store an arbitrary string value.
Data type: CHARACTER
Access: Readable/Writeable
Applies to: Any ActiveX control
The Tag property is an extended ActiveX control property that lets the developer store an arbitrary string value and retrieve it later. The AVM does not use this property internally; rather, the property lets the developer store application-specific information with the control.
This property is initialized to an empty string.
Note: The length of the string cannot exceed 2,147,483, 647 characters.