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ExternalCommandsData.AvailabilityClassName

Property
Description:
The full class name for the class providing the entry point to decide availability of this menu item.
Remarks:
This is the class implementing IExternalCommandAvailability interface.
Syntax
public string AvailabilityClassName { get; set; }
Exceptions
Exception Condition
ArgumentNullException When setting this property: A non-optional argument was null