You use Visual Basic to create a COM DLL project hat contains an ActiveX control named Car View and a class module named sales. You are debugging the interaction between the ActiveX control and a host container. During a debugging session, you want to examine the contents of variables that are only in Car View. How can you accomplish this?A. Set the module context in the Add Watch dialog box to Car View. B. Set the instancing property of sales to private. C. St the public property of Car View to
Answer: A.
You use Visual Basic to develop a reusable component. To make classes in your project easier to use, you intend to add descriptive text and context-sensitive help for each of the properties, methods, and events in the classes. Which procedure must you follow to add descriptive Help information for each class? A. Open the code Window for the class module. In the procedure Attributes dialog box, enter a description and a HelpcontextID for each procedure. B. Open the code Window for the class module.
Answer: A.
You use Visual Basic to create a form with an ADO Data control named ADODC1 and a TextBox control named Text1. The TextBox control must be bound every time the form is loaded. You want to dynamically bind data from the CustomerID field to be displayed in the text box. Which code fragment can you use to accomplish this? A. Set Text1.DataSource= "ADODC1" Text1.DataField = "CustomerID" B. Set Text1.DataSource= ADODC1Set Text1.DataField = "CustomerID" C. Text1.DataSource=
Answer: D.
You want to use Visual Basic to package and deploy your ActiveX control. You also want to restrict the use of your control at design time to authorized developers only. How can you do this?A. Before compiling your control, set the version Compatibility option to No Compatibility. B. Using the package and deployment Wizard, digitally sign your ActiveX control. C. Include licensing with your ActiveX control. D. Set your ActiveX control to read-only.
Answer: C.
You create a multi-user Visual Basic application that interacts with a database. You are using ADO and need an updatable, disconnected recordset. You need to offer users the ability to add, update, and modify records. What must you do to accomplish this? A. Set the CursorType property to adOpenStatic, and set the LockType property to adLockBatchOptimistic. B. Set the CursorType property to adOpenDynamic, and set the LockType property to adLockPessimitic. C. Set the CurcorType property to adOpenDynamic
Answer: A.
You are using Visual Basic to create an ActiveX control that will provide a banner at the top of the container in which it is placed. When the developer adds your control to a container, you want to set the caption displayed in the lblCaption constituent control to match the name assigned to the control itself. Which code fragment should you use? A. Private Sub UserControl_InitProperties ()On Error Resume Next LblCaption.Caption = Extender.NameEnd Sub B. Private Sub UserControl_AmbientChanged (
Answer: A.
You create a Visual Basic ActiveX control that you want to distribute on internet Web pages. You want your control to automatically install from your web site to a client computer. What should you do?A. Create a .cab file by using the package and deployment wizard. Compress the .cab file, and transfer it to your server by using FTP. B. Create an .exe file by using the package and deployment wizard. Transfer it to your Web server by using FTP. C. Create a single .cab file by using the package and
Answer: C.
You are using Visual Basic to create an ActiveX control that you want to distribute to other developers. You want to add an About box to your control to show your e-mail address. How can you implement this About box so that it is available in the Properties Window?A. Add a new property page to your control project. Name this page in the Connect Property Pages dialog box. B. Add a new form to your control project. Create a public procedure to show the form, and set its procedure ID to About Box.
Answer: B.
You are working on a Visual Basic application that displays summary information about files on your computer. This application is split into a COM server and a COM client, both written in Visual Basic. After compiling both the server and the client, you discover an error in your server code. You correct the error and recompile the server. When you run the client, you receive an error message stating; "Class does not support Automation or does not support expected interface." Which two
Answer: B, C.
You are using Visual Basic to create a COM DLL. This COM DLL provides customer information to other applications for your company. The COM DLL exposes a customer object with properties representing all information that is needed by these other applications. Internally, your COM DLL uses an object named Row to retrieve customer information from a Microsoft SQL Server database. For increased speed in data access, your customer object exposes a property named Bookmark that can hold a recordset bookmark.
Answer: C.
