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Sets or returns context ID for topic in Help File. If Help file is indicated in the VBScript Err Object HelpFile Property, the HelpContext property is utilized to display automatically the Help topic identified. If HelpFile and HelpContext both are empty, the value of the VBScript Err Object Number Property is verified. If it corresponds to VBScript run-time error value, then the VBScript Help context ID for error is utilized. If the Number property does not correspond to VBScript error, the contents screen Help file is displayed for VBScript.
Syntax Err.HelpContext [= contextID]
Argument: contextID A valid identifier for Help topic into the Help file. Optional.
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