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You have an SQL query that takes one minute to execute. You use the following code segment to execute the
SQL query asynchronously.
Dim ar As IAsyncResult = cmd.BeginExecuteReader()
You need to execute a method named DoWork() that takes one second to run while the SQL query is executing.
DoWork() must run as many times as possible while the SQL query is executing.
Which code segment should you use?()
You use Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application that displays an image.
You need to ensure that users can stretch and scale the image.
Which control should you use?()
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