You develop an application that invokes a procedure named Process Records You implement the Trace class to log any

StreamWriter oWriter new StreamWriter( File.Open(logfilePath, FileMode.Append)) TextWriterTraceListener oListener new TextWriterTraceListener(oWriter) Trace.Listeners.Add(oListener) try Trace.WriteLine(Error + oEx.Message Now you need to add code to your finally construct to write all output in the ErrorLog.txt file and then close the file. You want to write the minimum amount of code to achieve this goal. B. Trace. Flush() oWriter.Close() C. Trace.AutoFlush true oWriter.Close() D....

Reference

Visual Basic and Visual C Concepts, Initialization and Termination of Components .NET Framework Developer's Guide, Overriding the Finalize Method A, D As a good practice an object's Finalize method should not call a method on any objects other than that of its base class. It is inappropriate to close database in the Finalize method of the form. B A forms closed event occurs when the form is closed. Cleanup code should not be placed in procedure named Closed. We could not be absolutely sure that...

HjL I y Debug

Ms-help M 5.VS CG M i .M SD rJVS y vbcon, - if' ms-help M 5.VS CG M i .M SD rJVS y vbcon, - if' introduction to t rovide Component lt is jai Eiasic and Vis lt ja' . Concepts Introduction to the Windows Forms Hp'm lt is jai Eiasic and Vis lt ja' . Concepts Introduction to the Windows Forms Hp'm The Windows Forms HelpProvider component i an .htm file with your Windows application. 1 Provide context- sensitive Help for control L Provide context-sensitive Help on a particl Open a Help file to...

You must ensure that your code can continue processing while waiting for a response from the XML Web service Your code

Use the WaitHande.WaitAny method of the IAsyncResult.AsyncWaitHandle object. Examine the value of IAsyncResult.IsCompleted to see if ProcessLoan is finished executing. B. Use the WaitHandle.WaitAll method of the IAsyncResult.AsyncWaitHandle object. Examine the value of IAsyncResult.IsCompleted to see of ProcessLoan is finished executing. C. Supply a callback delegate to the BeginProcessLoan method of the XML Web service. After the XML Web service returns its response, a thread will invoke...

Answer A B F

Explanation If the UseMnemonic property is set to true A and a mnemonic character a character preceded by the ampersand is defined in the Text property of the Label B , pressing ALT the mnemonic character sets the focus to the control that follows the Label in the tab order F . You can use this property to provide proper keyboard navigation to the controls on your form. Note1 The UseMnemonic property gets or sets a value indicating whether the control interprets an ampersand character amp in...