Gets information of the capability specified by the Capability property.
Boolean ObjectName. CapGet()
TRUE indicates success. FALSE indicates failure.
When an error occurs and IfThrowException property is TRUE, an exception will be thrown.
When FALSE is returned or an exception is thrown, check ErrorCode property and ErrorString property for error information.
Before invoking CapGet(), Capability property should be set.
CapType property needs not to be set, since when CapGet() is called, the container type is returned by the source, rather than specified by the application.
Capability property, CapSet(), CapType property, ErrorCode property, ErrorString Property, How to Negotiate Capability with Different Capability Container Types
Refer to Reading Value(s) from Capability Negotiation.
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