Invokes a method on the OLE Object; the method has no optional parameters.
@param dispIdMember the ID of the method as specified by the IDL of the ActiveX Control; the
value for the ID can be obtained using OleAutomation.getIDsOfNames
@param rgvarg an array of arguments for the method. All arguments are considered to be
read only unless the Variant is a By Reference Variant type.
@return the result of the method or null if the method failed to give result information
Invokes a method on the OLE Object; the method has no optional parameters.
@param dispIdMember the ID of the method as specified by the IDL of the ActiveX Control; the value for the ID can be obtained using OleAutomation.getIDsOfNames
@param rgvarg an array of arguments for the method. All arguments are considered to be read only unless the Variant is a By Reference Variant type.
@return the result of the method or null if the method failed to give result information